Home / 3,119,804.64-4,679,708.40-1,125,260.64

Finding the Fourth Proportional to 3,119,804.64, 4,679,708.40 and 1,125,260.64

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Solution

The fourth proportional to 3,119,804.64, 4,679,708.40 and 1,125,260.64 is: 1,687,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,804.64 : 4,679,708.40 = 1,125,260.64 : x
  2. Step 2: Convert to fraction form
    3,119,804.64/4,679,708.40 = 1,125,260.64/x
  3. Step 3: Cross multiply
    3,119,804.64x = 4,679,708.40 × 1,125,260.64
  4. Step 4: Simplify right side
    3,119,804.64x = 5,265,891,669,197.38
  5. Step 5: Solve for x
    x = 5,265,891,669,197.38/3,119,804.64
  6. Step 6: Final answer
    x = 1,687,891.48

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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.