Home / 2,779,794.40-4,169,691.60-2,149,160.80

Finding the Fourth Proportional to 2,779,794.40, 4,169,691.60 and 2,149,160.80

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Solution

The fourth proportional to 2,779,794.40, 4,169,691.60 and 2,149,160.80 is: 3,223,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,794.40 : 4,169,691.60 = 2,149,160.80 : x
  2. Step 2: Convert to fraction form
    2,779,794.40/4,169,691.60 = 2,149,160.80/x
  3. Step 3: Cross multiply
    2,779,794.40x = 4,169,691.60 × 2,149,160.80
  4. Step 4: Simplify right side
    2,779,794.40x = 8,961,337,734,809.28
  5. Step 5: Solve for x
    x = 8,961,337,734,809.28/2,779,794.40
  6. Step 6: Final answer
    x = 3,223,741.20

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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.