Home / 5,151,424.32-7,727,136-1,785,630.72

Finding the Fourth Proportional to 5,151,424.32, 7,727,136 and 1,785,630.72

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Solution

The fourth proportional to 5,151,424.32, 7,727,136 and 1,785,630.72 is: 2,678,445.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,424.32 : 7,727,136 = 1,785,630.72 : x
  2. Step 2: Convert to fraction form
    5,151,424.32/7,727,136 = 1,785,630.72/x
  3. Step 3: Cross multiply
    5,151,424.32x = 7,727,136 × 1,785,630.72
  4. Step 4: Simplify right side
    5,151,424.32x = 13,797,811,419,217.92
  5. Step 5: Solve for x
    x = 13,797,811,419,217.92/5,151,424.32
  6. Step 6: Final answer
    x = 2,678,445.91

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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.