Home / 3,488,089.25-4,813,619.15-1,918,283.13

Finding the Fourth Proportional to 3,488,089.25, 4,813,619.15 and 1,918,283.13

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Solution

The fourth proportional to 3,488,089.25, 4,813,619.15 and 1,918,283.13 is: 2,647,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488,089.25 : 4,813,619.15 = 1,918,283.13 : x
  2. Step 2: Convert to fraction form
    3,488,089.25/4,813,619.15 = 1,918,283.13/x
  3. Step 3: Cross multiply
    3,488,089.25x = 4,813,619.15 × 1,918,283.13
  4. Step 4: Simplify right side
    3,488,089.25x = 9,233,884,409,689.94
  5. Step 5: Solve for x
    x = 9,233,884,409,689.94/3,488,089.25
  6. Step 6: Final answer
    x = 2,647,261.51

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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.