Home / 2,979,206.60-4,468,809.90-1,915,449.80

Finding the Fourth Proportional to 2,979,206.60, 4,468,809.90 and 1,915,449.80

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Solution

The fourth proportional to 2,979,206.60, 4,468,809.90 and 1,915,449.80 is: 2,873,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,206.60 : 4,468,809.90 = 1,915,449.80 : x
  2. Step 2: Convert to fraction form
    2,979,206.60/4,468,809.90 = 1,915,449.80/x
  3. Step 3: Cross multiply
    2,979,206.60x = 4,468,809.90 × 1,915,449.80
  4. Step 4: Simplify right side
    2,979,206.60x = 8,559,781,029,193.02
  5. Step 5: Solve for x
    x = 8,559,781,029,193.02/2,979,206.60
  6. Step 6: Final answer
    x = 2,873,174.70

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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.