Home / 2,131,726.60-3,196,034.70-868,904.20

Finding the Fourth Proportional to 2,131,726.60, 3,196,034.70 and 868,904.20

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Solution

The fourth proportional to 2,131,726.60, 3,196,034.70 and 868,904.20 is: 1,302,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,726.60 : 3,196,034.70 = 868,904.20 : x
  2. Step 2: Convert to fraction form
    2,131,726.60/3,196,034.70 = 868,904.20/x
  3. Step 3: Cross multiply
    2,131,726.60x = 3,196,034.70 × 868,904.20
  4. Step 4: Simplify right side
    2,131,726.60x = 2,777,047,974,175.74
  5. Step 5: Solve for x
    x = 2,777,047,974,175.74/2,131,726.60
  6. Step 6: Final answer
    x = 1,302,722.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.