Home / 2,912,456.85-4,019,209.11-1,623,378.98

Finding the Fourth Proportional to 2,912,456.85, 4,019,209.11 and 1,623,378.98

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Solution

The fourth proportional to 2,912,456.85, 4,019,209.11 and 1,623,378.98 is: 2,240,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,456.85 : 4,019,209.11 = 1,623,378.98 : x
  2. Step 2: Convert to fraction form
    2,912,456.85/4,019,209.11 = 1,623,378.98/x
  3. Step 3: Cross multiply
    2,912,456.85x = 4,019,209.11 × 1,623,378.98
  4. Step 4: Simplify right side
    2,912,456.85x = 6,524,699,565,302.46
  5. Step 5: Solve for x
    x = 6,524,699,565,302.46/2,912,456.85
  6. Step 6: Final answer
    x = 2,240,273.38

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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.