Home / 3,394,808.66-4,684,742.52-1,866,915.78

Finding the Fourth Proportional to 3,394,808.66, 4,684,742.52 and 1,866,915.78

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Solution

The fourth proportional to 3,394,808.66, 4,684,742.52 and 1,866,915.78 is: 2,576,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394,808.66 : 4,684,742.52 = 1,866,915.78 : x
  2. Step 2: Convert to fraction form
    3,394,808.66/4,684,742.52 = 1,866,915.78/x
  3. Step 3: Cross multiply
    3,394,808.66x = 4,684,742.52 × 1,866,915.78
  4. Step 4: Simplify right side
    3,394,808.66x = 8,746,019,735,824.97
  5. Step 5: Solve for x
    x = 8,746,019,735,824.97/3,394,808.66
  6. Step 6: Final answer
    x = 2,576,292.40

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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.