Home / 1,912,517.96-2,639,332.83-1,053,108.96

Finding the Fourth Proportional to 1,912,517.96, 2,639,332.83 and 1,053,108.96

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Solution

The fourth proportional to 1,912,517.96, 2,639,332.83 and 1,053,108.96 is: 1,453,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,517.96 : 2,639,332.83 = 1,053,108.96 : x
  2. Step 2: Convert to fraction form
    1,912,517.96/2,639,332.83 = 1,053,108.96/x
  3. Step 3: Cross multiply
    1,912,517.96x = 2,639,332.83 × 1,053,108.96
  4. Step 4: Simplify right side
    1,912,517.96x = 2,779,505,051,695.16
  5. Step 5: Solve for x
    x = 2,779,505,051,695.16/1,912,517.96
  6. Step 6: Final answer
    x = 1,453,322.33

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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.