Home / 3,078,187.60-4,619,614.20-2,012,875.60

Finding the Fourth Proportional to 3,078,187.60, 4,619,614.20 and 2,012,875.60

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Solution

The fourth proportional to 3,078,187.60, 4,619,614.20 and 2,012,875.60 is: 3,020,838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,187.60 : 4,619,614.20 = 2,012,875.60 : x
  2. Step 2: Convert to fraction form
    3,078,187.60/4,619,614.20 = 2,012,875.60/x
  3. Step 3: Cross multiply
    3,078,187.60x = 4,619,614.20 × 2,012,875.60
  4. Step 4: Simplify right side
    3,078,187.60x = 9,298,708,704,593.52
  5. Step 5: Solve for x
    x = 9,298,708,704,593.52/3,078,187.60
  6. Step 6: Final answer
    x = 3,020,838.85

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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.