Home / 5,191,083.20-7,162,987.12-2,898,951.68

Finding the Fourth Proportional to 5,191,083.20, 7,162,987.12 and 2,898,951.68

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Solution

The fourth proportional to 5,191,083.20, 7,162,987.12 and 2,898,951.68 is: 4,000,158.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,083.20 : 7,162,987.12 = 2,898,951.68 : x
  2. Step 2: Convert to fraction form
    5,191,083.20/7,162,987.12 = 2,898,951.68/x
  3. Step 3: Cross multiply
    5,191,083.20x = 7,162,987.12 × 2,898,951.68
  4. Step 4: Simplify right side
    5,191,083.20x = 20,765,153,545,342.36
  5. Step 5: Solve for x
    x = 20,765,153,545,342.36/5,191,083.20
  6. Step 6: Final answer
    x = 4,000,158.11

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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.