Home / 5,276,215.80-7,916,948.10-2,081,446.20

Finding the Fourth Proportional to 5,276,215.80, 7,916,948.10 and 2,081,446.20

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Solution

The fourth proportional to 5,276,215.80, 7,916,948.10 and 2,081,446.20 is: 3,123,204.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276,215.80 : 7,916,948.10 = 2,081,446.20 : x
  2. Step 2: Convert to fraction form
    5,276,215.80/7,916,948.10 = 2,081,446.20/x
  3. Step 3: Cross multiply
    5,276,215.80x = 7,916,948.10 × 2,081,446.20
  4. Step 4: Simplify right side
    5,276,215.80x = 16,478,701,538,342.22
  5. Step 5: Solve for x
    x = 16,478,701,538,342.22/5,276,215.80
  6. Step 6: Final answer
    x = 3,123,204.62

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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.