Home / 1,591,415.31-2,196,181.10-866,283.87

Finding the Fourth Proportional to 1,591,415.31, 2,196,181.10 and 866,283.87

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Solution

The fourth proportional to 1,591,415.31, 2,196,181.10 and 866,283.87 is: 1,195,486.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,415.31 : 2,196,181.10 = 866,283.87 : x
  2. Step 2: Convert to fraction form
    1,591,415.31/2,196,181.10 = 866,283.87/x
  3. Step 3: Cross multiply
    1,591,415.31x = 2,196,181.10 × 866,283.87
  4. Step 4: Simplify right side
    1,591,415.31x = 1,902,516,258,197.44
  5. Step 5: Solve for x
    x = 1,902,516,258,197.44/1,591,415.31
  6. Step 6: Final answer
    x = 1,195,486.96

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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.