Home / 2,156,534.40-2,976,008.88-1,189,724.88

Finding the Fourth Proportional to 2,156,534.40, 2,976,008.88 and 1,189,724.88

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Solution

The fourth proportional to 2,156,534.40, 2,976,008.88 and 1,189,724.88 is: 1,641,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,534.40 : 2,976,008.88 = 1,189,724.88 : x
  2. Step 2: Convert to fraction form
    2,156,534.40/2,976,008.88 = 1,189,724.88/x
  3. Step 3: Cross multiply
    2,156,534.40x = 2,976,008.88 × 1,189,724.88
  4. Step 4: Simplify right side
    2,156,534.40x = 3,540,631,807,636.93
  5. Step 5: Solve for x
    x = 3,540,631,807,636.93/2,156,534.40
  6. Step 6: Final answer
    x = 1,641,815.59

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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.