Home / 3,488,090.25-4,813,620.53-1,918,284.13

Finding the Fourth Proportional to 3,488,090.25, 4,813,620.53 and 1,918,284.13

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Solution

The fourth proportional to 3,488,090.25, 4,813,620.53 and 1,918,284.13 is: 2,647,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488,090.25 : 4,813,620.53 = 1,918,284.13 : x
  2. Step 2: Convert to fraction form
    3,488,090.25/4,813,620.53 = 1,918,284.13/x
  3. Step 3: Cross multiply
    3,488,090.25x = 4,813,620.53 × 1,918,284.13
  4. Step 4: Simplify right side
    3,488,090.25x = 9,233,891,870,541.19
  5. Step 5: Solve for x
    x = 9,233,891,870,541.19/3,488,090.25
  6. Step 6: Final answer
    x = 2,647,262.89

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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.