Home / 2,910,860.60-4,366,290.90-2,787,999.80

Finding the Fourth Proportional to 2,910,860.60, 4,366,290.90 and 2,787,999.80

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Solution

The fourth proportional to 2,910,860.60, 4,366,290.90 and 2,787,999.80 is: 4,181,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,860.60 : 4,366,290.90 = 2,787,999.80 : x
  2. Step 2: Convert to fraction form
    2,910,860.60/4,366,290.90 = 2,787,999.80/x
  3. Step 3: Cross multiply
    2,910,860.60x = 4,366,290.90 × 2,787,999.80
  4. Step 4: Simplify right side
    2,910,860.60x = 12,173,218,155,941.82
  5. Step 5: Solve for x
    x = 12,173,218,155,941.82/2,910,860.60
  6. Step 6: Final answer
    x = 4,181,999.70

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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.