Home / 1,914,288.28-2,641,718.06-1,109,938.84

Finding the Fourth Proportional to 1,914,288.28, 2,641,718.06 and 1,109,938.84

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Solution

The fourth proportional to 1,914,288.28, 2,641,718.06 and 1,109,938.84 is: 1,531,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,288.28 : 2,641,718.06 = 1,109,938.84 : x
  2. Step 2: Convert to fraction form
    1,914,288.28/2,641,718.06 = 1,109,938.84/x
  3. Step 3: Cross multiply
    1,914,288.28x = 2,641,718.06 × 1,109,938.84
  4. Step 4: Simplify right side
    1,914,288.28x = 2,932,145,479,123.45
  5. Step 5: Solve for x
    x = 2,932,145,479,123.45/1,914,288.28
  6. Step 6: Final answer
    x = 1,531,715.73

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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.