Home / 1,540,888.64-2,126,414.76-861,825.14

Finding the Fourth Proportional to 1,540,888.64, 2,126,414.76 and 861,825.14

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Solution

The fourth proportional to 1,540,888.64, 2,126,414.76 and 861,825.14 is: 1,189,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,888.64 : 2,126,414.76 = 861,825.14 : x
  2. Step 2: Convert to fraction form
    1,540,888.64/2,126,414.76 = 861,825.14/x
  3. Step 3: Cross multiply
    1,540,888.64x = 2,126,414.76 × 861,825.14
  4. Step 4: Simplify right side
    1,540,888.64x = 1,832,597,698,235.07
  5. Step 5: Solve for x
    x = 1,832,597,698,235.07/1,540,888.64
  6. Step 6: Final answer
    x = 1,189,312.23

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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.