Home / 3,200,089.92-4,800,139.49-1,306,831.35

Finding the Fourth Proportional to 3,200,089.92, 4,800,139.49 and 1,306,831.35

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Solution

The fourth proportional to 3,200,089.92, 4,800,139.49 and 1,306,831.35 is: 1,960,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200,089.92 : 4,800,139.49 = 1,306,831.35 : x
  2. Step 2: Convert to fraction form
    3,200,089.92/4,800,139.49 = 1,306,831.35/x
  3. Step 3: Cross multiply
    3,200,089.92x = 4,800,139.49 × 1,306,831.35
  4. Step 4: Simplify right side
    3,200,089.92x = 6,272,972,769,905.01
  5. Step 5: Solve for x
    x = 6,272,972,769,905.01/3,200,089.92
  6. Step 6: Final answer
    x = 1,960,248.91

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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.