Home / 3,931,898.91-5,899,967.15-1,658,998.64

Finding the Fourth Proportional to 3,931,898.91, 5,899,967.15 and 1,658,998.64

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Solution

The fourth proportional to 3,931,898.91, 5,899,967.15 and 1,658,998.64 is: 2,489,391.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,898.91 : 5,899,967.15 = 1,658,998.64 : x
  2. Step 2: Convert to fraction form
    3,931,898.91/5,899,967.15 = 1,658,998.64/x
  3. Step 3: Cross multiply
    3,931,898.91x = 5,899,967.15 × 1,658,998.64
  4. Step 4: Simplify right side
    3,931,898.91x = 9,788,037,440,099.85
  5. Step 5: Solve for x
    x = 9,788,037,440,099.85/3,931,898.91
  6. Step 6: Final answer
    x = 2,489,391.94

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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.