Home / 3,237,831.36-4,468,792.08-1,931,167.20

Finding the Fourth Proportional to 3,237,831.36, 4,468,792.08 and 1,931,167.20

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Solution

The fourth proportional to 3,237,831.36, 4,468,792.08 and 1,931,167.20 is: 2,665,359.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237,831.36 : 4,468,792.08 = 1,931,167.20 : x
  2. Step 2: Convert to fraction form
    3,237,831.36/4,468,792.08 = 1,931,167.20/x
  3. Step 3: Cross multiply
    3,237,831.36x = 4,468,792.08 × 1,931,167.20
  4. Step 4: Simplify right side
    3,237,831.36x = 8,629,984,688,515.78
  5. Step 5: Solve for x
    x = 8,629,984,688,515.78/3,237,831.36
  6. Step 6: Final answer
    x = 2,665,359.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.