Home / 1,677,566.40-2,514,251.16-1,321,172.88

Finding the Fourth Proportional to 1,677,566.40, 2,514,251.16 and 1,321,172.88

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Solution

The fourth proportional to 1,677,566.40, 2,514,251.16 and 1,321,172.88 is: 1,980,106.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,566.40 : 2,514,251.16 = 1,321,172.88 : x
  2. Step 2: Convert to fraction form
    1,677,566.40/2,514,251.16 = 1,321,172.88/x
  3. Step 3: Cross multiply
    1,677,566.40x = 2,514,251.16 × 1,321,172.88
  4. Step 4: Simplify right side
    1,677,566.40x = 3,321,760,446,100.54
  5. Step 5: Solve for x
    x = 3,321,760,446,100.54/1,677,566.40
  6. Step 6: Final answer
    x = 1,980,106.69

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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.