Home / 2,005,070.20-3,007,605.30-1,207,908.70

Finding the Fourth Proportional to 2,005,070.20, 3,007,605.30 and 1,207,908.70

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Solution

The fourth proportional to 2,005,070.20, 3,007,605.30 and 1,207,908.70 is: 1,811,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,070.20 : 3,007,605.30 = 1,207,908.70 : x
  2. Step 2: Convert to fraction form
    2,005,070.20/3,007,605.30 = 1,207,908.70/x
  3. Step 3: Cross multiply
    2,005,070.20x = 3,007,605.30 × 1,207,908.70
  4. Step 4: Simplify right side
    2,005,070.20x = 3,632,912,608,036.11
  5. Step 5: Solve for x
    x = 3,632,912,608,036.11/2,005,070.20
  6. Step 6: Final answer
    x = 1,811,863.05

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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.