Home / 1,947,631.83-2,687,871.02-1,076,447.82

Finding the Fourth Proportional to 1,947,631.83, 2,687,871.02 and 1,076,447.82

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Solution

The fourth proportional to 1,947,631.83, 2,687,871.02 and 1,076,447.82 is: 1,485,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,631.83 : 2,687,871.02 = 1,076,447.82 : x
  2. Step 2: Convert to fraction form
    1,947,631.83/2,687,871.02 = 1,076,447.82/x
  3. Step 3: Cross multiply
    1,947,631.83x = 2,687,871.02 × 1,076,447.82
  4. Step 4: Simplify right side
    1,947,631.83x = 2,893,352,904,617.45
  5. Step 5: Solve for x
    x = 2,893,352,904,617.45/1,947,631.83
  6. Step 6: Final answer
    x = 1,485,574.87

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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.