Home / 5,421,372.88-8,126,771.64-2,580,722.32

Finding the Fourth Proportional to 5,421,372.88, 8,126,771.64 and 2,580,722.32

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Solution

The fourth proportional to 5,421,372.88, 8,126,771.64 and 2,580,722.32 is: 3,868,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,372.88 : 8,126,771.64 = 2,580,722.32 : x
  2. Step 2: Convert to fraction form
    5,421,372.88/8,126,771.64 = 2,580,722.32/x
  3. Step 3: Cross multiply
    5,421,372.88x = 8,126,771.64 × 2,580,722.32
  4. Step 4: Simplify right side
    5,421,372.88x = 20,972,940,960,891.00
  5. Step 5: Solve for x
    x = 20,972,940,960,891.00/5,421,372.88
  6. Step 6: Final answer
    x = 3,868,566.40

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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.