Home / 5,514,471.80-8,271,966.90-1,728,078.20

Finding the Fourth Proportional to 5,514,471.80, 8,271,966.90 and 1,728,078.20

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Solution

The fourth proportional to 5,514,471.80, 8,271,966.90 and 1,728,078.20 is: 2,592,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514,471.80 : 8,271,966.90 = 1,728,078.20 : x
  2. Step 2: Convert to fraction form
    5,514,471.80/8,271,966.90 = 1,728,078.20/x
  3. Step 3: Cross multiply
    5,514,471.80x = 8,271,966.90 × 1,728,078.20
  4. Step 4: Simplify right side
    5,514,471.80x = 14,294,605,671,011.58
  5. Step 5: Solve for x
    x = 14,294,605,671,011.58/5,514,471.80
  6. Step 6: Final answer
    x = 2,592,198.53

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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.