Home / 2,153,742.90-3,229,059.15-1,207,403.70

Finding the Fourth Proportional to 2,153,742.90, 3,229,059.15 and 1,207,403.70

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Solution

The fourth proportional to 2,153,742.90, 3,229,059.15 and 1,207,403.70 is: 1,810,233.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,742.90 : 3,229,059.15 = 1,207,403.70 : x
  2. Step 2: Convert to fraction form
    2,153,742.90/3,229,059.15 = 1,207,403.70/x
  3. Step 3: Cross multiply
    2,153,742.90x = 3,229,059.15 × 1,207,403.70
  4. Step 4: Simplify right side
    2,153,742.90x = 3,898,777,965,228.86
  5. Step 5: Solve for x
    x = 3,898,777,965,228.86/2,153,742.90
  6. Step 6: Final answer
    x = 1,810,233.69

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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.