Home / 3,435,347.80-5,153,021.70-2,178,746.20

Finding the Fourth Proportional to 3,435,347.80, 5,153,021.70 and 2,178,746.20

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Solution

The fourth proportional to 3,435,347.80, 5,153,021.70 and 2,178,746.20 is: 3,268,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435,347.80 : 5,153,021.70 = 2,178,746.20 : x
  2. Step 2: Convert to fraction form
    3,435,347.80/5,153,021.70 = 2,178,746.20/x
  3. Step 3: Cross multiply
    3,435,347.80x = 5,153,021.70 × 2,178,746.20
  4. Step 4: Simplify right side
    3,435,347.80x = 11,227,126,447,392.54
  5. Step 5: Solve for x
    x = 11,227,126,447,392.54/3,435,347.80
  6. Step 6: Final answer
    x = 3,268,119.30

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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.