Home / 1,591,416.31-2,196,182.48-866,284.87

Finding the Fourth Proportional to 1,591,416.31, 2,196,182.48 and 866,284.87

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Solution

The fourth proportional to 1,591,416.31, 2,196,182.48 and 866,284.87 is: 1,195,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,416.31 : 2,196,182.48 = 866,284.87 : x
  2. Step 2: Convert to fraction form
    1,591,416.31/2,196,182.48 = 866,284.87/x
  3. Step 3: Cross multiply
    1,591,416.31x = 2,196,182.48 × 866,284.87
  4. Step 4: Simplify right side
    1,591,416.31x = 1,902,519,649,851.65
  5. Step 5: Solve for x
    x = 1,902,519,649,851.65/1,591,416.31
  6. Step 6: Final answer
    x = 1,195,488.34

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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.