Home / 2,445,812.40-3,668,718.60-762,913.20

Finding the Fourth Proportional to 2,445,812.40, 3,668,718.60 and 762,913.20

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Solution

The fourth proportional to 2,445,812.40, 3,668,718.60 and 762,913.20 is: 1,144,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445,812.40 : 3,668,718.60 = 762,913.20 : x
  2. Step 2: Convert to fraction form
    2,445,812.40/3,668,718.60 = 762,913.20/x
  3. Step 3: Cross multiply
    2,445,812.40x = 3,668,718.60 × 762,913.20
  4. Step 4: Simplify right side
    2,445,812.40x = 2,798,913,847,025.52
  5. Step 5: Solve for x
    x = 2,798,913,847,025.52/2,445,812.40
  6. Step 6: Final answer
    x = 1,144,369.80

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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.