Home / 2,166,531.71-2,989,777.13-1,199,641.19

Finding the Fourth Proportional to 2,166,531.71, 2,989,777.13 and 1,199,641.19

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Solution

The fourth proportional to 2,166,531.71, 2,989,777.13 and 1,199,641.19 is: 1,655,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,531.71 : 2,989,777.13 = 1,199,641.19 : x
  2. Step 2: Convert to fraction form
    2,166,531.71/2,989,777.13 = 1,199,641.19/x
  3. Step 3: Cross multiply
    2,166,531.71x = 2,989,777.13 × 1,199,641.19
  4. Step 4: Simplify right side
    2,166,531.71x = 3,586,659,777,619.55
  5. Step 5: Solve for x
    x = 3,586,659,777,619.55/2,166,531.71
  6. Step 6: Final answer
    x = 1,655,484.56

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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.