Home / 1,721,525.80-2,579,178.30-1,472,693.80

Finding the Fourth Proportional to 1,721,525.80, 2,579,178.30 and 1,472,693.80

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Solution

The fourth proportional to 1,721,525.80, 2,579,178.30 and 1,472,693.80 is: 2,206,379.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,525.80 : 2,579,178.30 = 1,472,693.80 : x
  2. Step 2: Convert to fraction form
    1,721,525.80/2,579,178.30 = 1,472,693.80/x
  3. Step 3: Cross multiply
    1,721,525.80x = 2,579,178.30 × 1,472,693.80
  4. Step 4: Simplify right side
    1,721,525.80x = 3,798,339,891,504.54
  5. Step 5: Solve for x
    x = 3,798,339,891,504.54/1,721,525.80
  6. Step 6: Final answer
    x = 2,206,379.88

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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.