Home / 2,892,136.80-4,338,220.60-870,366.86

Finding the Fourth Proportional to 2,892,136.80, 4,338,220.60 and 870,366.86

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Solution

The fourth proportional to 2,892,136.80, 4,338,220.60 and 870,366.86 is: 1,305,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,136.80 : 4,338,220.60 = 870,366.86 : x
  2. Step 2: Convert to fraction form
    2,892,136.80/4,338,220.60 = 870,366.86/x
  3. Step 3: Cross multiply
    2,892,136.80x = 4,338,220.60 × 870,366.86
  4. Step 4: Simplify right side
    2,892,136.80x = 3,775,843,441,609.32
  5. Step 5: Solve for x
    x = 3,775,843,441,609.32/2,892,136.80
  6. Step 6: Final answer
    x = 1,305,554.92

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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.