Home / 3,124,523.40-4,675,725.90-2,129,195.40

Finding the Fourth Proportional to 3,124,523.40, 4,675,725.90 and 2,129,195.40

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Solution

The fourth proportional to 3,124,523.40, 4,675,725.90 and 2,129,195.40 is: 3,186,256.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124,523.40 : 4,675,725.90 = 2,129,195.40 : x
  2. Step 2: Convert to fraction form
    3,124,523.40/4,675,725.90 = 2,129,195.40/x
  3. Step 3: Cross multiply
    3,124,523.40x = 4,675,725.90 × 2,129,195.40
  4. Step 4: Simplify right side
    3,124,523.40x = 9,955,534,077,940.86
  5. Step 5: Solve for x
    x = 9,955,534,077,940.86/3,124,523.40
  6. Step 6: Final answer
    x = 3,186,256.85

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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.