Home / 1,682,398.54-2,321,698.15-918,452.10

Finding the Fourth Proportional to 1,682,398.54, 2,321,698.15 and 918,452.10

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Solution

The fourth proportional to 1,682,398.54, 2,321,698.15 and 918,452.10 is: 1,267,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,398.54 : 2,321,698.15 = 918,452.10 : x
  2. Step 2: Convert to fraction form
    1,682,398.54/2,321,698.15 = 918,452.10/x
  3. Step 3: Cross multiply
    1,682,398.54x = 2,321,698.15 × 918,452.10
  4. Step 4: Simplify right side
    1,682,398.54x = 2,132,368,544,351.72
  5. Step 5: Solve for x
    x = 2,132,368,544,351.72/1,682,398.54
  6. Step 6: Final answer
    x = 1,267,457.44

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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.