Home / 1,556,515.61-2,147,985.98-868,186.92

Finding the Fourth Proportional to 1,556,515.61, 2,147,985.98 and 868,186.92

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Solution

The fourth proportional to 1,556,515.61, 2,147,985.98 and 868,186.92 is: 1,198,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,515.61 : 2,147,985.98 = 868,186.92 : x
  2. Step 2: Convert to fraction form
    1,556,515.61/2,147,985.98 = 868,186.92/x
  3. Step 3: Cross multiply
    1,556,515.61x = 2,147,985.98 × 868,186.92
  4. Step 4: Simplify right side
    1,556,515.61x = 1,864,853,332,179.38
  5. Step 5: Solve for x
    x = 1,864,853,332,179.38/1,556,515.61
  6. Step 6: Final answer
    x = 1,198,094.85

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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.