Home / 2,772,044.70-4,158,067.05-1,708,287.90

Finding the Fourth Proportional to 2,772,044.70, 4,158,067.05 and 1,708,287.90

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Solution

The fourth proportional to 2,772,044.70, 4,158,067.05 and 1,708,287.90 is: 2,562,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,044.70 : 4,158,067.05 = 1,708,287.90 : x
  2. Step 2: Convert to fraction form
    2,772,044.70/4,158,067.05 = 1,708,287.90/x
  3. Step 3: Cross multiply
    2,772,044.70x = 4,158,067.05 × 1,708,287.90
  4. Step 4: Simplify right side
    2,772,044.70x = 7,103,175,628,903.69
  5. Step 5: Solve for x
    x = 7,103,175,628,903.69/2,772,044.70
  6. Step 6: Final answer
    x = 2,562,431.85

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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.