Home / 3,488,088.50-4,813,618.11-1,918,282.38

Finding the Fourth Proportional to 3,488,088.50, 4,813,618.11 and 1,918,282.38

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Solution

The fourth proportional to 3,488,088.50, 4,813,618.11 and 1,918,282.38 is: 2,647,260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488,088.50 : 4,813,618.11 = 1,918,282.38 : x
  2. Step 2: Convert to fraction form
    3,488,088.50/4,813,618.11 = 1,918,282.38/x
  3. Step 3: Cross multiply
    3,488,088.50x = 4,813,618.11 × 1,918,282.38
  4. Step 4: Simplify right side
    3,488,088.50x = 9,233,878,780,393.81
  5. Step 5: Solve for x
    x = 9,233,878,780,393.81/3,488,088.50
  6. Step 6: Final answer
    x = 2,647,260.47

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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.