Home / 3,934,831.61-5,430,078.87-2,281,300.07

Finding the Fourth Proportional to 3,934,831.61, 5,430,078.87 and 2,281,300.07

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Solution

The fourth proportional to 3,934,831.61, 5,430,078.87 and 2,281,300.07 is: 3,148,200.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,831.61 : 5,430,078.87 = 2,281,300.07 : x
  2. Step 2: Convert to fraction form
    3,934,831.61/5,430,078.87 = 2,281,300.07/x
  3. Step 3: Cross multiply
    3,934,831.61x = 5,430,078.87 × 2,281,300.07
  4. Step 4: Simplify right side
    3,934,831.61x = 12,387,639,306,236.52
  5. Step 5: Solve for x
    x = 12,387,639,306,236.52/3,934,831.61
  6. Step 6: Final answer
    x = 3,148,200.62

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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.