Home / 2,947,132.80-4,067,036.34-1,657,972.80

Finding the Fourth Proportional to 2,947,132.80, 4,067,036.34 and 1,657,972.80

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Solution

The fourth proportional to 2,947,132.80, 4,067,036.34 and 1,657,972.80 is: 2,287,998.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,132.80 : 4,067,036.34 = 1,657,972.80 : x
  2. Step 2: Convert to fraction form
    2,947,132.80/4,067,036.34 = 1,657,972.80/x
  3. Step 3: Cross multiply
    2,947,132.80x = 4,067,036.34 × 1,657,972.80
  4. Step 4: Simplify right side
    2,947,132.80x = 6,743,035,628,331.55
  5. Step 5: Solve for x
    x = 6,743,035,628,331.55/2,947,132.80
  6. Step 6: Final answer
    x = 2,287,998.57

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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.