Home / 2,807,685.60-4,200,447.49-2,126,535.14

Finding the Fourth Proportional to 2,807,685.60, 4,200,447.49 and 2,126,535.14

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Solution

The fourth proportional to 2,807,685.60, 4,200,447.49 and 2,126,535.14 is: 3,181,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,685.60 : 4,200,447.49 = 2,126,535.14 : x
  2. Step 2: Convert to fraction form
    2,807,685.60/4,200,447.49 = 2,126,535.14/x
  3. Step 3: Cross multiply
    2,807,685.60x = 4,200,447.49 × 2,126,535.14
  4. Step 4: Simplify right side
    2,807,685.60x = 8,932,399,191,209.80
  5. Step 5: Solve for x
    x = 8,932,399,191,209.80/2,807,685.60
  6. Step 6: Final answer
    x = 3,181,410.05

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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.