Home / 1,555,151.16-2,145,848.40-866,672.22

Finding the Fourth Proportional to 1,555,151.16, 2,145,848.40 and 866,672.22

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Solution

The fourth proportional to 1,555,151.16, 2,145,848.40 and 866,672.22 is: 1,195,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,151.16 : 2,145,848.40 = 866,672.22 : x
  2. Step 2: Convert to fraction form
    1,555,151.16/2,145,848.40 = 866,672.22/x
  3. Step 3: Cross multiply
    1,555,151.16x = 2,145,848.40 × 866,672.22
  4. Step 4: Simplify right side
    1,555,151.16x = 1,859,747,196,611.45
  5. Step 5: Solve for x
    x = 1,859,747,196,611.45/1,555,151.16
  6. Step 6: Final answer
    x = 1,195,862.66

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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.