Home / 2,779,793.40-4,169,690.10-2,149,159.80

Finding the Fourth Proportional to 2,779,793.40, 4,169,690.10 and 2,149,159.80

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Solution

The fourth proportional to 2,779,793.40, 4,169,690.10 and 2,149,159.80 is: 3,223,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,793.40 : 4,169,690.10 = 2,149,159.80 : x
  2. Step 2: Convert to fraction form
    2,779,793.40/4,169,690.10 = 2,149,159.80/x
  3. Step 3: Cross multiply
    2,779,793.40x = 4,169,690.10 × 2,149,159.80
  4. Step 4: Simplify right side
    2,779,793.40x = 8,961,330,341,377.98
  5. Step 5: Solve for x
    x = 8,961,330,341,377.98/2,779,793.40
  6. Step 6: Final answer
    x = 3,223,739.70

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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.