Home / 5,377,755.60-7,421,215.56-2,930,398.16

Finding the Fourth Proportional to 5,377,755.60, 7,421,215.56 and 2,930,398.16

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Solution

The fourth proportional to 5,377,755.60, 7,421,215.56 and 2,930,398.16 is: 4,043,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,755.60 : 7,421,215.56 = 2,930,398.16 : x
  2. Step 2: Convert to fraction form
    5,377,755.60/7,421,215.56 = 2,930,398.16/x
  3. Step 3: Cross multiply
    5,377,755.60x = 7,421,215.56 × 2,930,398.16
  4. Step 4: Simplify right side
    5,377,755.60x = 21,747,116,421,987.37
  5. Step 5: Solve for x
    x = 21,747,116,421,987.37/5,377,755.60
  6. Step 6: Final answer
    x = 4,043,901.96

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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.