Home / 3,540,388.59-5,315,551.29-1,812,492.57

Finding the Fourth Proportional to 3,540,388.59, 5,315,551.29 and 1,812,492.57

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Solution

The fourth proportional to 3,540,388.59, 5,315,551.29 and 1,812,492.57 is: 2,721,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540,388.59 : 5,315,551.29 = 1,812,492.57 : x
  2. Step 2: Convert to fraction form
    3,540,388.59/5,315,551.29 = 1,812,492.57/x
  3. Step 3: Cross multiply
    3,540,388.59x = 5,315,551.29 × 1,812,492.57
  4. Step 4: Simplify right side
    3,540,388.59x = 9,634,397,218,578.92
  5. Step 5: Solve for x
    x = 9,634,397,218,578.92/3,540,388.59
  6. Step 6: Final answer
    x = 2,721,282.42

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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.