Home / 2,691,918.80-4,041,377.40-2,160,040.40

Finding the Fourth Proportional to 2,691,918.80, 4,041,377.40 and 2,160,040.40

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Solution

The fourth proportional to 2,691,918.80, 4,041,377.40 and 2,160,040.40 is: 3,242,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,918.80 : 4,041,377.40 = 2,160,040.40 : x
  2. Step 2: Convert to fraction form
    2,691,918.80/4,041,377.40 = 2,160,040.40/x
  3. Step 3: Cross multiply
    2,691,918.80x = 4,041,377.40 × 2,160,040.40
  4. Step 4: Simplify right side
    2,691,918.80x = 8,729,538,455,646.96
  5. Step 5: Solve for x
    x = 8,729,538,455,646.96/2,691,918.80
  6. Step 6: Final answer
    x = 3,242,868.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.