Home / 2,187,543.80-3,281,315.70-1,957,252.72

Finding the Fourth Proportional to 2,187,543.80, 3,281,315.70 and 1,957,252.72

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Solution

The fourth proportional to 2,187,543.80, 3,281,315.70 and 1,957,252.72 is: 2,935,879.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,543.80 : 3,281,315.70 = 1,957,252.72 : x
  2. Step 2: Convert to fraction form
    2,187,543.80/3,281,315.70 = 1,957,252.72/x
  3. Step 3: Cross multiply
    2,187,543.80x = 3,281,315.70 × 1,957,252.72
  4. Step 4: Simplify right side
    2,187,543.80x = 6,422,364,079,003.70
  5. Step 5: Solve for x
    x = 6,422,364,079,003.70/2,187,543.80
  6. Step 6: Final answer
    x = 2,935,879.08

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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.