Home / 2,669,909.76-4,002,065.28-1,248,768

Finding the Fourth Proportional to 2,669,909.76, 4,002,065.28 and 1,248,768

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Solution

The fourth proportional to 2,669,909.76, 4,002,065.28 and 1,248,768 is: 1,871,842.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,909.76 : 4,002,065.28 = 1,248,768 : x
  2. Step 2: Convert to fraction form
    2,669,909.76/4,002,065.28 = 1,248,768/x
  3. Step 3: Cross multiply
    2,669,909.76x = 4,002,065.28 × 1,248,768
  4. Step 4: Simplify right side
    2,669,909.76x = 4,997,651,055,575.04
  5. Step 5: Solve for x
    x = 4,997,651,055,575.04/2,669,909.76
  6. Step 6: Final answer
    x = 1,871,842.69

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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.