Home / 6,442,755.84-8,891,020.80-3,542,443.20

Finding the Fourth Proportional to 6,442,755.84, 8,891,020.80 and 3,542,443.20

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Solution

The fourth proportional to 6,442,755.84, 8,891,020.80 and 3,542,443.20 is: 4,888,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,755.84 : 8,891,020.80 = 3,542,443.20 : x
  2. Step 2: Convert to fraction form
    6,442,755.84/8,891,020.80 = 3,542,443.20/x
  3. Step 3: Cross multiply
    6,442,755.84x = 8,891,020.80 × 3,542,443.20
  4. Step 4: Simplify right side
    6,442,755.84x = 31,495,936,174,018.56
  5. Step 5: Solve for x
    x = 31,495,936,174,018.56/6,442,755.84
  6. Step 6: Final answer
    x = 4,888,581.37

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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.