Home / 2,912,660.16-4,019,489.28-1,623,581.76

Finding the Fourth Proportional to 2,912,660.16, 4,019,489.28 and 1,623,581.76

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Solution

The fourth proportional to 2,912,660.16, 4,019,489.28 and 1,623,581.76 is: 2,240,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,660.16 : 4,019,489.28 = 1,623,581.76 : x
  2. Step 2: Convert to fraction form
    2,912,660.16/4,019,489.28 = 1,623,581.76/x
  3. Step 3: Cross multiply
    2,912,660.16x = 4,019,489.28 × 1,623,581.76
  4. Step 4: Simplify right side
    2,912,660.16x = 6,525,969,479,523.53
  5. Step 5: Solve for x
    x = 6,525,969,479,523.53/2,912,660.16
  6. Step 6: Final answer
    x = 2,240,553.01

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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.