Home / 2,379,783.76-3,283,151.88-1,520,121.04

Finding the Fourth Proportional to 2,379,783.76, 3,283,151.88 and 1,520,121.04

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Solution

The fourth proportional to 2,379,783.76, 3,283,151.88 and 1,520,121.04 is: 2,097,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,783.76 : 3,283,151.88 = 1,520,121.04 : x
  2. Step 2: Convert to fraction form
    2,379,783.76/3,283,151.88 = 1,520,121.04/x
  3. Step 3: Cross multiply
    2,379,783.76x = 3,283,151.88 × 1,520,121.04
  4. Step 4: Simplify right side
    2,379,783.76x = 4,990,788,250,303.56
  5. Step 5: Solve for x
    x = 4,990,788,250,303.56/2,379,783.76
  6. Step 6: Final answer
    x = 2,097,160.40

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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.