Home / 2,912,685.12-4,019,641.44-1,623,534.72

Finding the Fourth Proportional to 2,912,685.12, 4,019,641.44 and 1,623,534.72

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Solution

The fourth proportional to 2,912,685.12, 4,019,641.44 and 1,623,534.72 is: 2,240,553.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,685.12 : 4,019,641.44 = 1,623,534.72 : x
  2. Step 2: Convert to fraction form
    2,912,685.12/4,019,641.44 = 1,623,534.72/x
  3. Step 3: Cross multiply
    2,912,685.12x = 4,019,641.44 × 1,623,534.72
  4. Step 4: Simplify right side
    2,912,685.12x = 6,526,027,439,790.80
  5. Step 5: Solve for x
    x = 6,526,027,439,790.80/2,912,685.12
  6. Step 6: Final answer
    x = 2,240,553.71

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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.