Home / 2,898,406-3,999,925.20-1,609,246.56

Finding the Fourth Proportional to 2,898,406, 3,999,925.20 and 1,609,246.56

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Solution

The fourth proportional to 2,898,406, 3,999,925.20 and 1,609,246.56 is: 2,220,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,406 : 3,999,925.20 = 1,609,246.56 : x
  2. Step 2: Convert to fraction form
    2,898,406/3,999,925.20 = 1,609,246.56/x
  3. Step 3: Cross multiply
    2,898,406x = 3,999,925.20 × 1,609,246.56
  4. Step 4: Simplify right side
    2,898,406x = 6,436,865,868,357.31
  5. Step 5: Solve for x
    x = 6,436,865,868,357.31/2,898,406
  6. Step 6: Final answer
    x = 2,220,829.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.