Home / 2,657,231.40-3,985,847.10-738,138.90

Finding the Fourth Proportional to 2,657,231.40, 3,985,847.10 and 738,138.90

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Solution

The fourth proportional to 2,657,231.40, 3,985,847.10 and 738,138.90 is: 1,107,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,231.40 : 3,985,847.10 = 738,138.90 : x
  2. Step 2: Convert to fraction form
    2,657,231.40/3,985,847.10 = 738,138.90/x
  3. Step 3: Cross multiply
    2,657,231.40x = 3,985,847.10 × 738,138.90
  4. Step 4: Simplify right side
    2,657,231.40x = 2,942,108,793,962.19
  5. Step 5: Solve for x
    x = 2,942,108,793,962.19/2,657,231.40
  6. Step 6: Final answer
    x = 1,107,208.35

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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.