Home / 2,177,065.60-3,264,043.20-978,006.40

Finding the Fourth Proportional to 2,177,065.60, 3,264,043.20 and 978,006.40

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Solution

The fourth proportional to 2,177,065.60, 3,264,043.20 and 978,006.40 is: 1,466,310.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,065.60 : 3,264,043.20 = 978,006.40 : x
  2. Step 2: Convert to fraction form
    2,177,065.60/3,264,043.20 = 978,006.40/x
  3. Step 3: Cross multiply
    2,177,065.60x = 3,264,043.20 × 978,006.40
  4. Step 4: Simplify right side
    2,177,065.60x = 3,192,255,139,476.48
  5. Step 5: Solve for x
    x = 3,192,255,139,476.48/2,177,065.60
  6. Step 6: Final answer
    x = 1,466,310.96

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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.