Home / 2,851,988.66-4,275,104.35-1,787,778.06

Finding the Fourth Proportional to 2,851,988.66, 4,275,104.35 and 1,787,778.06

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Solution

The fourth proportional to 2,851,988.66, 4,275,104.35 and 1,787,778.06 is: 2,679,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851,988.66 : 4,275,104.35 = 1,787,778.06 : x
  2. Step 2: Convert to fraction form
    2,851,988.66/4,275,104.35 = 1,787,778.06/x
  3. Step 3: Cross multiply
    2,851,988.66x = 4,275,104.35 × 1,787,778.06
  4. Step 4: Simplify right side
    2,851,988.66x = 7,642,937,763,557.39
  5. Step 5: Solve for x
    x = 7,642,937,763,557.39/2,851,988.66
  6. Step 6: Final answer
    x = 2,679,862.60

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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.