Home / 6,442,430.75-8,890,327.90-3,541,800.50

Finding the Fourth Proportional to 6,442,430.75, 8,890,327.90 and 3,541,800.50

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Solution

The fourth proportional to 6,442,430.75, 8,890,327.90 and 3,541,800.50 is: 4,887,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,430.75 : 8,890,327.90 = 3,541,800.50 : x
  2. Step 2: Convert to fraction form
    6,442,430.75/8,890,327.90 = 3,541,800.50/x
  3. Step 3: Cross multiply
    6,442,430.75x = 8,890,327.90 × 3,541,800.50
  4. Step 4: Simplify right side
    6,442,430.75x = 31,487,767,801,383.95
  5. Step 5: Solve for x
    x = 31,487,767,801,383.95/6,442,430.75
  6. Step 6: Final answer
    x = 4,887,560.15

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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.