Home / 2,176,928.40-3,264,408.45-978,233.70

Finding the Fourth Proportional to 2,176,928.40, 3,264,408.45 and 978,233.70

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Solution

The fourth proportional to 2,176,928.40, 3,264,408.45 and 978,233.70 is: 1,466,908.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,928.40 : 3,264,408.45 = 978,233.70 : x
  2. Step 2: Convert to fraction form
    2,176,928.40/3,264,408.45 = 978,233.70/x
  3. Step 3: Cross multiply
    2,176,928.40x = 3,264,408.45 × 978,233.70
  4. Step 4: Simplify right side
    2,176,928.40x = 3,193,354,356,354.77
  5. Step 5: Solve for x
    x = 3,193,354,356,354.77/2,176,928.40
  6. Step 6: Final answer
    x = 1,466,908.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.