Home / 2,158,545.78-3,237,254.44-641,820.24

Finding the Fourth Proportional to 2,158,545.78, 3,237,254.44 and 641,820.24

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Solution

The fourth proportional to 2,158,545.78, 3,237,254.44 and 641,820.24 is: 962,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,545.78 : 3,237,254.44 = 641,820.24 : x
  2. Step 2: Convert to fraction form
    2,158,545.78/3,237,254.44 = 641,820.24/x
  3. Step 3: Cross multiply
    2,158,545.78x = 3,237,254.44 × 641,820.24
  4. Step 4: Simplify right side
    2,158,545.78x = 2,077,735,421,621.87
  5. Step 5: Solve for x
    x = 2,077,735,421,621.87/2,158,545.78
  6. Step 6: Final answer
    x = 962,562.59

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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.