Home / 1,947,991.80-2,921,987.70-1,873,342.20

Finding the Fourth Proportional to 1,947,991.80, 2,921,987.70 and 1,873,342.20

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Solution

The fourth proportional to 1,947,991.80, 2,921,987.70 and 1,873,342.20 is: 2,810,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,991.80 : 2,921,987.70 = 1,873,342.20 : x
  2. Step 2: Convert to fraction form
    1,947,991.80/2,921,987.70 = 1,873,342.20/x
  3. Step 3: Cross multiply
    1,947,991.80x = 2,921,987.70 × 1,873,342.20
  4. Step 4: Simplify right side
    1,947,991.80x = 5,473,882,866,290.94
  5. Step 5: Solve for x
    x = 5,473,882,866,290.94/1,947,991.80
  6. Step 6: Final answer
    x = 2,810,013.30

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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.