Home / 1,912,947.08-2,639,849.47-1,053,488.88

Finding the Fourth Proportional to 1,912,947.08, 2,639,849.47 and 1,053,488.88

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Solution

The fourth proportional to 1,912,947.08, 2,639,849.47 and 1,053,488.88 is: 1,453,805.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,947.08 : 2,639,849.47 = 1,053,488.88 : x
  2. Step 2: Convert to fraction form
    1,912,947.08/2,639,849.47 = 1,053,488.88/x
  3. Step 3: Cross multiply
    1,912,947.08x = 2,639,849.47 × 1,053,488.88
  4. Step 4: Simplify right side
    1,912,947.08x = 2,781,052,058,885.17
  5. Step 5: Solve for x
    x = 2,781,052,058,885.17/1,912,947.08
  6. Step 6: Final answer
    x = 1,453,805.02

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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.