Home / 2,131,514.10-3,197,271.15-1,857,798.90

Finding the Fourth Proportional to 2,131,514.10, 3,197,271.15 and 1,857,798.90

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Solution

The fourth proportional to 2,131,514.10, 3,197,271.15 and 1,857,798.90 is: 2,786,698.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,514.10 : 3,197,271.15 = 1,857,798.90 : x
  2. Step 2: Convert to fraction form
    2,131,514.10/3,197,271.15 = 1,857,798.90/x
  3. Step 3: Cross multiply
    2,131,514.10x = 3,197,271.15 × 1,857,798.90
  4. Step 4: Simplify right side
    2,131,514.10x = 5,939,886,825,471.74
  5. Step 5: Solve for x
    x = 5,939,886,825,471.74/2,131,514.10
  6. Step 6: Final answer
    x = 2,786,698.35

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Similar ratio
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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.