Home / 2,689,314.85-4,034,760.15-867,642.85

Finding the Fourth Proportional to 2,689,314.85, 4,034,760.15 and 867,642.85

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Solution

The fourth proportional to 2,689,314.85, 4,034,760.15 and 867,642.85 is: 1,301,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,314.85 : 4,034,760.15 = 867,642.85 : x
  2. Step 2: Convert to fraction form
    2,689,314.85/4,034,760.15 = 867,642.85/x
  3. Step 3: Cross multiply
    2,689,314.85x = 4,034,760.15 × 867,642.85
  4. Step 4: Simplify right side
    2,689,314.85x = 3,500,730,775,438.63
  5. Step 5: Solve for x
    x = 3,500,730,775,438.63/2,689,314.85
  6. Step 6: Final answer
    x = 1,301,718.46

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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.