Home / 3,314,367.20-4,971,259.20-917,998.40

Finding the Fourth Proportional to 3,314,367.20, 4,971,259.20 and 917,998.40

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Solution

The fourth proportional to 3,314,367.20, 4,971,259.20 and 917,998.40 is: 1,376,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314,367.20 : 4,971,259.20 = 917,998.40 : x
  2. Step 2: Convert to fraction form
    3,314,367.20/4,971,259.20 = 917,998.40/x
  3. Step 3: Cross multiply
    3,314,367.20x = 4,971,259.20 × 917,998.40
  4. Step 4: Simplify right side
    3,314,367.20x = 4,563,607,991,585.28
  5. Step 5: Solve for x
    x = 4,563,607,991,585.28/3,314,367.20
  6. Step 6: Final answer
    x = 1,376,916.83

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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.