Home / 5,251,497.90-7,861,500.45-3,120,485.10

Finding the Fourth Proportional to 5,251,497.90, 7,861,500.45 and 3,120,485.10

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Solution

The fourth proportional to 5,251,497.90, 7,861,500.45 and 3,120,485.10 is: 4,671,371.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,497.90 : 7,861,500.45 = 3,120,485.10 : x
  2. Step 2: Convert to fraction form
    5,251,497.90/7,861,500.45 = 3,120,485.10/x
  3. Step 3: Cross multiply
    5,251,497.90x = 7,861,500.45 × 3,120,485.10
  4. Step 4: Simplify right side
    5,251,497.90x = 24,531,695,017,868.30
  5. Step 5: Solve for x
    x = 24,531,695,017,868.30/5,251,497.90
  6. Step 6: Final answer
    x = 4,671,371.00

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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.