Home / 1,551,512.66-2,140,195.89-969,726.11

Finding the Fourth Proportional to 1,551,512.66, 2,140,195.89 and 969,726.11

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Solution

The fourth proportional to 1,551,512.66, 2,140,195.89 and 969,726.11 is: 1,337,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,512.66 : 2,140,195.89 = 969,726.11 : x
  2. Step 2: Convert to fraction form
    1,551,512.66/2,140,195.89 = 969,726.11/x
  3. Step 3: Cross multiply
    1,551,512.66x = 2,140,195.89 × 969,726.11
  4. Step 4: Simplify right side
    1,551,512.66x = 2,075,403,834,190.68
  5. Step 5: Solve for x
    x = 2,075,403,834,190.68/1,551,512.66
  6. Step 6: Final answer
    x = 1,337,664.78

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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.