Home / 3,124,815.70-4,687,223.55-2,179,254.10

Finding the Fourth Proportional to 3,124,815.70, 4,687,223.55 and 2,179,254.10

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Solution

The fourth proportional to 3,124,815.70, 4,687,223.55 and 2,179,254.10 is: 3,268,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124,815.70 : 4,687,223.55 = 2,179,254.10 : x
  2. Step 2: Convert to fraction form
    3,124,815.70/4,687,223.55 = 2,179,254.10/x
  3. Step 3: Cross multiply
    3,124,815.70x = 4,687,223.55 × 2,179,254.10
  4. Step 4: Simplify right side
    3,124,815.70x = 10,214,651,138,954.05
  5. Step 5: Solve for x
    x = 10,214,651,138,954.05/3,124,815.70
  6. Step 6: Final answer
    x = 3,268,881.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.