Home / 2,723,711.60-4,087,900.20-1,209,724.40

Finding the Fourth Proportional to 2,723,711.60, 4,087,900.20 and 1,209,724.40

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Solution

The fourth proportional to 2,723,711.60, 4,087,900.20 and 1,209,724.40 is: 1,815,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723,711.60 : 4,087,900.20 = 1,209,724.40 : x
  2. Step 2: Convert to fraction form
    2,723,711.60/4,087,900.20 = 1,209,724.40/x
  3. Step 3: Cross multiply
    2,723,711.60x = 4,087,900.20 × 1,209,724.40
  4. Step 4: Simplify right side
    2,723,711.60x = 4,945,232,616,704.88
  5. Step 5: Solve for x
    x = 4,945,232,616,704.88/2,723,711.60
  6. Step 6: Final answer
    x = 1,815,622.70

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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.