Home / 2,712,797.61-3,743,668.85-1,489,228.53

Finding the Fourth Proportional to 2,712,797.61, 3,743,668.85 and 1,489,228.53

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Solution

The fourth proportional to 2,712,797.61, 3,743,668.85 and 1,489,228.53 is: 2,055,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,797.61 : 3,743,668.85 = 1,489,228.53 : x
  2. Step 2: Convert to fraction form
    2,712,797.61/3,743,668.85 = 1,489,228.53/x
  3. Step 3: Cross multiply
    2,712,797.61x = 3,743,668.85 × 1,489,228.53
  4. Step 4: Simplify right side
    2,712,797.61x = 5,575,178,450,846.15
  5. Step 5: Solve for x
    x = 5,575,178,450,846.15/2,712,797.61
  6. Step 6: Final answer
    x = 2,055,139.84

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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.