Home / 2,158,543.78-3,237,251.44-641,818.24

Finding the Fourth Proportional to 2,158,543.78, 3,237,251.44 and 641,818.24

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Solution

The fourth proportional to 2,158,543.78, 3,237,251.44 and 641,818.24 is: 962,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,543.78 : 3,237,251.44 = 641,818.24 : x
  2. Step 2: Convert to fraction form
    2,158,543.78/3,237,251.44 = 641,818.24/x
  3. Step 3: Cross multiply
    2,158,543.78x = 3,237,251.44 × 641,818.24
  4. Step 4: Simplify right side
    2,158,543.78x = 2,077,727,021,658.27
  5. Step 5: Solve for x
    x = 2,077,727,021,658.27/2,158,543.78
  6. Step 6: Final answer
    x = 962,559.59

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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.