Home / 5,120,955.52-7,681,334.40-1,529,156.16

Finding the Fourth Proportional to 5,120,955.52, 7,681,334.40 and 1,529,156.16

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Solution

The fourth proportional to 5,120,955.52, 7,681,334.40 and 1,529,156.16 is: 2,293,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,955.52 : 7,681,334.40 = 1,529,156.16 : x
  2. Step 2: Convert to fraction form
    5,120,955.52/7,681,334.40 = 1,529,156.16/x
  3. Step 3: Cross multiply
    5,120,955.52x = 7,681,334.40 × 1,529,156.16
  4. Step 4: Simplify right side
    5,120,955.52x = 11,745,959,814,779.90
  5. Step 5: Solve for x
    x = 11,745,959,814,779.90/5,120,955.52
  6. Step 6: Final answer
    x = 2,293,704.71

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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.