Home / 1,947,616.23-2,687,849.47-1,076,432.20

Finding the Fourth Proportional to 1,947,616.23, 2,687,849.47 and 1,076,432.20

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Solution

The fourth proportional to 1,947,616.23, 2,687,849.47 and 1,076,432.20 is: 1,485,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,616.23 : 2,687,849.47 = 1,076,432.20 : x
  2. Step 2: Convert to fraction form
    1,947,616.23/2,687,849.47 = 1,076,432.20/x
  3. Step 3: Cross multiply
    1,947,616.23x = 2,687,849.47 × 1,076,432.20
  4. Step 4: Simplify right side
    1,947,616.23x = 2,893,287,720,952.01
  5. Step 5: Solve for x
    x = 2,893,287,720,952.01/1,947,616.23
  6. Step 6: Final answer
    x = 1,485,553.30

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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.