Home / 4,992,080.80-7,488,121.20-4,917,431.20

Finding the Fourth Proportional to 4,992,080.80, 7,488,121.20 and 4,917,431.20

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Solution

The fourth proportional to 4,992,080.80, 7,488,121.20 and 4,917,431.20 is: 7,376,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992,080.80 : 7,488,121.20 = 4,917,431.20 : x
  2. Step 2: Convert to fraction form
    4,992,080.80/7,488,121.20 = 4,917,431.20/x
  3. Step 3: Cross multiply
    4,992,080.80x = 7,488,121.20 × 4,917,431.20
  4. Step 4: Simplify right side
    4,992,080.80x = 36,822,320,818,261.45
  5. Step 5: Solve for x
    x = 36,822,320,818,261.45/4,992,080.80
  6. Step 6: Final answer
    x = 7,376,146.80

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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.