Home / 2,115,013.48-2,918,723.94-1,148,145.64

Finding the Fourth Proportional to 2,115,013.48, 2,918,723.94 and 1,148,145.64

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Solution

The fourth proportional to 2,115,013.48, 2,918,723.94 and 1,148,145.64 is: 1,584,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,013.48 : 2,918,723.94 = 1,148,145.64 : x
  2. Step 2: Convert to fraction form
    2,115,013.48/2,918,723.94 = 1,148,145.64/x
  3. Step 3: Cross multiply
    2,115,013.48x = 2,918,723.94 × 1,148,145.64
  4. Step 4: Simplify right side
    2,115,013.48x = 3,351,120,166,074.62
  5. Step 5: Solve for x
    x = 3,351,120,166,074.62/2,115,013.48
  6. Step 6: Final answer
    x = 1,584,443.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.