Home / 2,285,812.71-3,421,990.26-1,689,432.39

Finding the Fourth Proportional to 2,285,812.71, 3,421,990.26 and 1,689,432.39

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Solution

The fourth proportional to 2,285,812.71, 3,421,990.26 and 1,689,432.39 is: 2,529,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285,812.71 : 3,421,990.26 = 1,689,432.39 : x
  2. Step 2: Convert to fraction form
    2,285,812.71/3,421,990.26 = 1,689,432.39/x
  3. Step 3: Cross multiply
    2,285,812.71x = 3,421,990.26 × 1,689,432.39
  4. Step 4: Simplify right side
    2,285,812.71x = 5,781,221,183,508.52
  5. Step 5: Solve for x
    x = 5,781,221,183,508.52/2,285,812.71
  6. Step 6: Final answer
    x = 2,529,175.36

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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.