Home / 3,119,877-4,679,223.66-1,520,831.88

Finding the Fourth Proportional to 3,119,877, 4,679,223.66 and 1,520,831.88

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Solution

The fourth proportional to 3,119,877, 4,679,223.66 and 1,520,831.88 is: 2,280,959.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,877 : 4,679,223.66 = 1,520,831.88 : x
  2. Step 2: Convert to fraction form
    3,119,877/4,679,223.66 = 1,520,831.88/x
  3. Step 3: Cross multiply
    3,119,877x = 4,679,223.66 × 1,520,831.88
  4. Step 4: Simplify right side
    3,119,877x = 7,116,312,515,778.28
  5. Step 5: Solve for x
    x = 7,116,312,515,778.28/3,119,877
  6. Step 6: Final answer
    x = 2,280,959.32

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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.