Home / 1,677,568.40-2,514,254.16-1,321,174.88

Finding the Fourth Proportional to 1,677,568.40, 2,514,254.16 and 1,321,174.88

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Solution

The fourth proportional to 1,677,568.40, 2,514,254.16 and 1,321,174.88 is: 1,980,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,568.40 : 2,514,254.16 = 1,321,174.88 : x
  2. Step 2: Convert to fraction form
    1,677,568.40/2,514,254.16 = 1,321,174.88/x
  3. Step 3: Cross multiply
    1,677,568.40x = 2,514,254.16 × 1,321,174.88
  4. Step 4: Simplify right side
    1,677,568.40x = 3,321,769,438,127.50
  5. Step 5: Solve for x
    x = 3,321,769,438,127.50/1,677,568.40
  6. Step 6: Final answer
    x = 1,980,109.69

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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.