Home / 1,936,403.31-2,901,947.76-1,225,158.12

Finding the Fourth Proportional to 1,936,403.31, 2,901,947.76 and 1,225,158.12

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Solution

The fourth proportional to 1,936,403.31, 2,901,947.76 and 1,225,158.12 is: 1,836,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,403.31 : 2,901,947.76 = 1,225,158.12 : x
  2. Step 2: Convert to fraction form
    1,936,403.31/2,901,947.76 = 1,225,158.12/x
  3. Step 3: Cross multiply
    1,936,403.31x = 2,901,947.76 × 1,225,158.12
  4. Step 4: Simplify right side
    1,936,403.31x = 3,555,344,861,979.81
  5. Step 5: Solve for x
    x = 3,555,344,861,979.81/1,936,403.31
  6. Step 6: Final answer
    x = 1,836,055.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.