Home / 2,199,136.70-3,298,705.05-1,639,264.70

Finding the Fourth Proportional to 2,199,136.70, 3,298,705.05 and 1,639,264.70

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Solution

The fourth proportional to 2,199,136.70, 3,298,705.05 and 1,639,264.70 is: 2,458,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,136.70 : 3,298,705.05 = 1,639,264.70 : x
  2. Step 2: Convert to fraction form
    2,199,136.70/3,298,705.05 = 1,639,264.70/x
  3. Step 3: Cross multiply
    2,199,136.70x = 3,298,705.05 × 1,639,264.70
  4. Step 4: Simplify right side
    2,199,136.70x = 5,407,450,744,176.73
  5. Step 5: Solve for x
    x = 5,407,450,744,176.73/2,199,136.70
  6. Step 6: Final answer
    x = 2,458,897.05

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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.