Home / 3,931,186.72-5,896,812.90-1,091,520.32

Finding the Fourth Proportional to 3,931,186.72, 5,896,812.90 and 1,091,520.32

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Solution

The fourth proportional to 3,931,186.72, 5,896,812.90 and 1,091,520.32 is: 1,637,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,186.72 : 5,896,812.90 = 1,091,520.32 : x
  2. Step 2: Convert to fraction form
    3,931,186.72/5,896,812.90 = 1,091,520.32/x
  3. Step 3: Cross multiply
    3,931,186.72x = 5,896,812.90 × 1,091,520.32
  4. Step 4: Simplify right side
    3,931,186.72x = 6,436,491,103,588.13
  5. Step 5: Solve for x
    x = 6,436,491,103,588.13/3,931,186.72
  6. Step 6: Final answer
    x = 1,637,289.59

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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.