Home / 3,438,191.76-4,744,732.74-2,149,779.03

Finding the Fourth Proportional to 3,438,191.76, 4,744,732.74 and 2,149,779.03

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Solution

The fourth proportional to 3,438,191.76, 4,744,732.74 and 2,149,779.03 is: 2,966,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,191.76 : 4,744,732.74 = 2,149,779.03 : x
  2. Step 2: Convert to fraction form
    3,438,191.76/4,744,732.74 = 2,149,779.03/x
  3. Step 3: Cross multiply
    3,438,191.76x = 4,744,732.74 × 2,149,779.03
  4. Step 4: Simplify right side
    3,438,191.76x = 10,200,126,947,406.44
  5. Step 5: Solve for x
    x = 10,200,126,947,406.44/3,438,191.76
  6. Step 6: Final answer
    x = 2,966,712.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.