Home / 1,591,359.09-2,196,073.36-866,204.57

Finding the Fourth Proportional to 1,591,359.09, 2,196,073.36 and 866,204.57

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Solution

The fourth proportional to 1,591,359.09, 2,196,073.36 and 866,204.57 is: 1,195,361.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,359.09 : 2,196,073.36 = 866,204.57 : x
  2. Step 2: Convert to fraction form
    1,591,359.09/2,196,073.36 = 866,204.57/x
  3. Step 3: Cross multiply
    1,591,359.09x = 2,196,073.36 × 866,204.57
  4. Step 4: Simplify right side
    1,591,359.09x = 1,902,248,767,341.38
  5. Step 5: Solve for x
    x = 1,902,248,767,341.38/1,591,359.09
  6. Step 6: Final answer
    x = 1,195,361.11

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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.