Home / 3,437,645.46-5,151,421.08-1,729,440.78

Finding the Fourth Proportional to 3,437,645.46, 5,151,421.08 and 1,729,440.78

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Solution

The fourth proportional to 3,437,645.46, 5,151,421.08 and 1,729,440.78 is: 2,591,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437,645.46 : 5,151,421.08 = 1,729,440.78 : x
  2. Step 2: Convert to fraction form
    3,437,645.46/5,151,421.08 = 1,729,440.78/x
  3. Step 3: Cross multiply
    3,437,645.46x = 5,151,421.08 × 1,729,440.78
  4. Step 4: Simplify right side
    3,437,645.46x = 8,909,077,690,703.64
  5. Step 5: Solve for x
    x = 8,909,077,690,703.64/3,437,645.46
  6. Step 6: Final answer
    x = 2,591,622.03

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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.