Home / 1,591,920.88-2,196,892.70-866,799.16

Finding the Fourth Proportional to 1,591,920.88, 2,196,892.70 and 866,799.16

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Solution

The fourth proportional to 1,591,920.88, 2,196,892.70 and 866,799.16 is: 1,196,205.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,920.88 : 2,196,892.70 = 866,799.16 : x
  2. Step 2: Convert to fraction form
    1,591,920.88/2,196,892.70 = 866,799.16/x
  3. Step 3: Cross multiply
    1,591,920.88x = 2,196,892.70 × 866,799.16
  4. Step 4: Simplify right side
    1,591,920.88x = 1,904,264,746,970.13
  5. Step 5: Solve for x
    x = 1,904,264,746,970.13/1,591,920.88
  6. Step 6: Final answer
    x = 1,196,205.65

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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.