Home / 3,438,156.80-5,153,468.70-1,729,575.20

Finding the Fourth Proportional to 3,438,156.80, 5,153,468.70 and 1,729,575.20

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Solution

The fourth proportional to 3,438,156.80, 5,153,468.70 and 1,729,575.20 is: 2,592,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,156.80 : 5,153,468.70 = 1,729,575.20 : x
  2. Step 2: Convert to fraction form
    3,438,156.80/5,153,468.70 = 1,729,575.20/x
  3. Step 3: Cross multiply
    3,438,156.80x = 5,153,468.70 × 1,729,575.20
  4. Step 4: Simplify right side
    3,438,156.80x = 8,913,311,657,496.24
  5. Step 5: Solve for x
    x = 8,913,311,657,496.24/3,438,156.80
  6. Step 6: Final answer
    x = 2,592,468.05

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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.