Home / 2,657,402.31-3,986,735.64-860,285.64

Finding the Fourth Proportional to 2,657,402.31, 3,986,735.64 and 860,285.64

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Solution

The fourth proportional to 2,657,402.31, 3,986,735.64 and 860,285.64 is: 1,290,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,402.31 : 3,986,735.64 = 860,285.64 : x
  2. Step 2: Convert to fraction form
    2,657,402.31/3,986,735.64 = 860,285.64/x
  3. Step 3: Cross multiply
    2,657,402.31x = 3,986,735.64 × 860,285.64
  4. Step 4: Simplify right side
    2,657,402.31x = 3,429,731,421,568.21
  5. Step 5: Solve for x
    x = 3,429,731,421,568.21/2,657,402.31
  6. Step 6: Final answer
    x = 1,290,633.12

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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.