Home / 1,970,631.59-2,719,470.11-1,065,213.59

Finding the Fourth Proportional to 1,970,631.59, 2,719,470.11 and 1,065,213.59

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Solution

The fourth proportional to 1,970,631.59, 2,719,470.11 and 1,065,213.59 is: 1,469,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,631.59 : 2,719,470.11 = 1,065,213.59 : x
  2. Step 2: Convert to fraction form
    1,970,631.59/2,719,470.11 = 1,065,213.59/x
  3. Step 3: Cross multiply
    1,970,631.59x = 2,719,470.11 × 1,065,213.59
  4. Step 4: Simplify right side
    1,970,631.59x = 2,896,816,499,847.38
  5. Step 5: Solve for x
    x = 2,896,816,499,847.38/1,970,631.59
  6. Step 6: Final answer
    x = 1,469,993.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.