Home / 1,947,577.31-2,687,642.03-1,076,471.31

Finding the Fourth Proportional to 1,947,577.31, 2,687,642.03 and 1,076,471.31

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Solution

The fourth proportional to 1,947,577.31, 2,687,642.03 and 1,076,471.31 is: 1,485,522.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,577.31 : 2,687,642.03 = 1,076,471.31 : x
  2. Step 2: Convert to fraction form
    1,947,577.31/2,687,642.03 = 1,076,471.31/x
  3. Step 3: Cross multiply
    1,947,577.31x = 2,687,642.03 × 1,076,471.31
  4. Step 4: Simplify right side
    1,947,577.31x = 2,893,169,531,462.80
  5. Step 5: Solve for x
    x = 2,893,169,531,462.80/1,947,577.31
  6. Step 6: Final answer
    x = 1,485,522.31

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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.