Home / 4,972,067.76-7,458,080.36-1,377,824.40

Finding the Fourth Proportional to 4,972,067.76, 7,458,080.36 and 1,377,824.40

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Solution

The fourth proportional to 4,972,067.76, 7,458,080.36 and 1,377,824.40 is: 2,066,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972,067.76 : 7,458,080.36 = 1,377,824.40 : x
  2. Step 2: Convert to fraction form
    4,972,067.76/7,458,080.36 = 1,377,824.40/x
  3. Step 3: Cross multiply
    4,972,067.76x = 7,458,080.36 × 1,377,824.40
  4. Step 4: Simplify right side
    4,972,067.76x = 10,275,925,097,168.78
  5. Step 5: Solve for x
    x = 10,275,925,097,168.78/4,972,067.76
  6. Step 6: Final answer
    x = 2,066,730.70

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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.