Home / 2,912,395.92-4,019,125.08-1,623,318.18

Finding the Fourth Proportional to 2,912,395.92, 4,019,125.08 and 1,623,318.18

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Solution

The fourth proportional to 2,912,395.92, 4,019,125.08 and 1,623,318.18 is: 2,240,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,395.92 : 4,019,125.08 = 1,623,318.18 : x
  2. Step 2: Convert to fraction form
    2,912,395.92/4,019,125.08 = 1,623,318.18/x
  3. Step 3: Cross multiply
    2,912,395.92x = 4,019,125.08 × 1,623,318.18
  4. Step 4: Simplify right side
    2,912,395.92x = 6,524,318,810,057.95
  5. Step 5: Solve for x
    x = 6,524,318,810,057.95/2,912,395.92
  6. Step 6: Final answer
    x = 2,240,189.52

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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.