Home / 5,428,251.35-7,490,456.65-3,136,362.83

Finding the Fourth Proportional to 5,428,251.35, 7,490,456.65 and 3,136,362.83

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Solution

The fourth proportional to 5,428,251.35, 7,490,456.65 and 3,136,362.83 is: 4,327,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,251.35 : 7,490,456.65 = 3,136,362.83 : x
  2. Step 2: Convert to fraction form
    5,428,251.35/7,490,456.65 = 3,136,362.83/x
  3. Step 3: Cross multiply
    5,428,251.35x = 7,490,456.65 × 3,136,362.83
  4. Step 4: Simplify right side
    5,428,251.35x = 23,492,789,816,786.32
  5. Step 5: Solve for x
    x = 23,492,789,816,786.32/5,428,251.35
  6. Step 6: Final answer
    x = 4,327,874.36

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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.