Home / 3,078,616.60-4,619,237.10-1,942,251.40

Finding the Fourth Proportional to 3,078,616.60, 4,619,237.10 and 1,942,251.40

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Solution

The fourth proportional to 3,078,616.60, 4,619,237.10 and 1,942,251.40 is: 2,914,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,616.60 : 4,619,237.10 = 1,942,251.40 : x
  2. Step 2: Convert to fraction form
    3,078,616.60/4,619,237.10 = 1,942,251.40/x
  3. Step 3: Cross multiply
    3,078,616.60x = 4,619,237.10 × 1,942,251.40
  4. Step 4: Simplify right side
    3,078,616.60x = 8,971,719,724,406.94
  5. Step 5: Solve for x
    x = 8,971,719,724,406.94/3,078,616.60
  6. Step 6: Final answer
    x = 2,914,204.95

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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.