Home / 3,522,764.86-4,861,440.45-1,913,132.86

Finding the Fourth Proportional to 3,522,764.86, 4,861,440.45 and 1,913,132.86

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Solution

The fourth proportional to 3,522,764.86, 4,861,440.45 and 1,913,132.86 is: 2,640,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522,764.86 : 4,861,440.45 = 1,913,132.86 : x
  2. Step 2: Convert to fraction form
    3,522,764.86/4,861,440.45 = 1,913,132.86/x
  3. Step 3: Cross multiply
    3,522,764.86x = 4,861,440.45 × 1,913,132.86
  4. Step 4: Simplify right side
    3,522,764.86x = 9,300,581,471,828.19
  5. Step 5: Solve for x
    x = 9,300,581,471,828.19/3,522,764.86
  6. Step 6: Final answer
    x = 2,640,136.89

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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.