Home / 2,158,006.32-3,237,008.40-641,682.72

Finding the Fourth Proportional to 2,158,006.32, 3,237,008.40 and 641,682.72

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Solution

The fourth proportional to 2,158,006.32, 3,237,008.40 and 641,682.72 is: 962,523.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,006.32 : 3,237,008.40 = 641,682.72 : x
  2. Step 2: Convert to fraction form
    2,158,006.32/3,237,008.40 = 641,682.72/x
  3. Step 3: Cross multiply
    2,158,006.32x = 3,237,008.40 × 641,682.72
  4. Step 4: Simplify right side
    2,158,006.32x = 2,077,132,354,774.85
  5. Step 5: Solve for x
    x = 2,077,132,354,774.85/2,158,006.32
  6. Step 6: Final answer
    x = 962,523.76

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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.