Home / 2,657,216.40-3,985,824.60-738,123.90

Finding the Fourth Proportional to 2,657,216.40, 3,985,824.60 and 738,123.90

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Solution

The fourth proportional to 2,657,216.40, 3,985,824.60 and 738,123.90 is: 1,107,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,216.40 : 3,985,824.60 = 738,123.90 : x
  2. Step 2: Convert to fraction form
    2,657,216.40/3,985,824.60 = 738,123.90/x
  3. Step 3: Cross multiply
    2,657,216.40x = 3,985,824.60 × 738,123.90
  4. Step 4: Simplify right side
    2,657,216.40x = 2,942,032,398,467.94
  5. Step 5: Solve for x
    x = 2,942,032,398,467.94/2,657,216.40
  6. Step 6: Final answer
    x = 1,107,185.85

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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.