Home / 3,258,156.72-4,887,468.90-861,973.02

Finding the Fourth Proportional to 3,258,156.72, 4,887,468.90 and 861,973.02

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Solution

The fourth proportional to 3,258,156.72, 4,887,468.90 and 861,973.02 is: 1,293,021.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,156.72 : 4,887,468.90 = 861,973.02 : x
  2. Step 2: Convert to fraction form
    3,258,156.72/4,887,468.90 = 861,973.02/x
  3. Step 3: Cross multiply
    3,258,156.72x = 4,887,468.90 × 861,973.02
  4. Step 4: Simplify right side
    3,258,156.72x = 4,212,866,327,889.08
  5. Step 5: Solve for x
    x = 4,212,866,327,889.08/3,258,156.72
  6. Step 6: Final answer
    x = 1,293,021.39

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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.