Home / 1,861,172.76-2,567,764.32-1,216,970.04

Finding the Fourth Proportional to 1,861,172.76, 2,567,764.32 and 1,216,970.04

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Solution

The fourth proportional to 1,861,172.76, 2,567,764.32 and 1,216,970.04 is: 1,678,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,172.76 : 2,567,764.32 = 1,216,970.04 : x
  2. Step 2: Convert to fraction form
    1,861,172.76/2,567,764.32 = 1,216,970.04/x
  3. Step 3: Cross multiply
    1,861,172.76x = 2,567,764.32 × 1,216,970.04
  4. Step 4: Simplify right side
    1,861,172.76x = 3,124,892,247,220.97
  5. Step 5: Solve for x
    x = 3,124,892,247,220.97/1,861,172.76
  6. Step 6: Final answer
    x = 1,678,990.96

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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.