Home / 4,940,087.20-7,410,130.80-1,947,882.40

Finding the Fourth Proportional to 4,940,087.20, 7,410,130.80 and 1,947,882.40

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Solution

The fourth proportional to 4,940,087.20, 7,410,130.80 and 1,947,882.40 is: 2,921,823.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940,087.20 : 7,410,130.80 = 1,947,882.40 : x
  2. Step 2: Convert to fraction form
    4,940,087.20/7,410,130.80 = 1,947,882.40/x
  3. Step 3: Cross multiply
    4,940,087.20x = 7,410,130.80 × 1,947,882.40
  4. Step 4: Simplify right side
    4,940,087.20x = 14,434,063,367,017.92
  5. Step 5: Solve for x
    x = 14,434,063,367,017.92/4,940,087.20
  6. Step 6: Final answer
    x = 2,921,823.60

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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.