Home / 1,628,493.97-2,442,741.03-1,115,653.40

Finding the Fourth Proportional to 1,628,493.97, 2,442,741.03 and 1,115,653.40

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Solution

The fourth proportional to 1,628,493.97, 2,442,741.03 and 1,115,653.40 is: 1,673,480.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,493.97 : 2,442,741.03 = 1,115,653.40 : x
  2. Step 2: Convert to fraction form
    1,628,493.97/2,442,741.03 = 1,115,653.40/x
  3. Step 3: Cross multiply
    1,628,493.97x = 2,442,741.03 × 1,115,653.40
  4. Step 4: Simplify right side
    1,628,493.97x = 2,725,252,329,860.74
  5. Step 5: Solve for x
    x = 2,725,252,329,860.74/1,628,493.97
  6. Step 6: Final answer
    x = 1,673,480.15

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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.