Home / 4,428,981.20-6,627,725.40-3,074,790.80

Finding the Fourth Proportional to 4,428,981.20, 6,627,725.40 and 3,074,790.80

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Solution

The fourth proportional to 4,428,981.20, 6,627,725.40 and 3,074,790.80 is: 4,601,254.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,981.20 : 6,627,725.40 = 3,074,790.80 : x
  2. Step 2: Convert to fraction form
    4,428,981.20/6,627,725.40 = 3,074,790.80/x
  3. Step 3: Cross multiply
    4,428,981.20x = 6,627,725.40 × 3,074,790.80
  4. Step 4: Simplify right side
    4,428,981.20x = 20,378,869,084,846.32
  5. Step 5: Solve for x
    x = 20,378,869,084,846.32/4,428,981.20
  6. Step 6: Final answer
    x = 4,601,254.37

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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.