Home / 2,894,331.16-3,994,422.36-1,605,586.78

Finding the Fourth Proportional to 2,894,331.16, 3,994,422.36 and 1,605,586.78

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Solution

The fourth proportional to 2,894,331.16, 3,994,422.36 and 1,605,586.78 is: 2,215,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894,331.16 : 3,994,422.36 = 1,605,586.78 : x
  2. Step 2: Convert to fraction form
    2,894,331.16/3,994,422.36 = 1,605,586.78/x
  3. Step 3: Cross multiply
    2,894,331.16x = 3,994,422.36 × 1,605,586.78
  4. Step 4: Simplify right side
    2,894,331.16x = 6,413,391,734,952.40
  5. Step 5: Solve for x
    x = 6,413,391,734,952.40/2,894,331.16
  6. Step 6: Final answer
    x = 2,215,845.87

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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.