Home / 2,856,956.01-3,942,405.20-1,567,879.43

Finding the Fourth Proportional to 2,856,956.01, 3,942,405.20 and 1,567,879.43

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Solution

The fourth proportional to 2,856,956.01, 3,942,405.20 and 1,567,879.43 is: 2,163,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,956.01 : 3,942,405.20 = 1,567,879.43 : x
  2. Step 2: Convert to fraction form
    2,856,956.01/3,942,405.20 = 1,567,879.43/x
  3. Step 3: Cross multiply
    2,856,956.01x = 3,942,405.20 × 1,567,879.43
  4. Step 4: Simplify right side
    2,856,956.01x = 6,181,216,031,580.75
  5. Step 5: Solve for x
    x = 6,181,216,031,580.75/2,856,956.01
  6. Step 6: Final answer
    x = 2,163,567.10

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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.