Home / 2,010,070.10-3,015,105.15-1,213,807.70

Finding the Fourth Proportional to 2,010,070.10, 3,015,105.15 and 1,213,807.70

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Solution

The fourth proportional to 2,010,070.10, 3,015,105.15 and 1,213,807.70 is: 1,820,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,070.10 : 3,015,105.15 = 1,213,807.70 : x
  2. Step 2: Convert to fraction form
    2,010,070.10/3,015,105.15 = 1,213,807.70/x
  3. Step 3: Cross multiply
    2,010,070.10x = 3,015,105.15 × 1,213,807.70
  4. Step 4: Simplify right side
    2,010,070.10x = 3,659,757,847,379.66
  5. Step 5: Solve for x
    x = 3,659,757,847,379.66/2,010,070.10
  6. Step 6: Final answer
    x = 1,820,711.55

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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.