Home / 1,966,809.90-2,949,631.65-768,042.30

Finding the Fourth Proportional to 1,966,809.90, 2,949,631.65 and 768,042.30

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Solution

The fourth proportional to 1,966,809.90, 2,949,631.65 and 768,042.30 is: 1,151,835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,809.90 : 2,949,631.65 = 768,042.30 : x
  2. Step 2: Convert to fraction form
    1,966,809.90/2,949,631.65 = 768,042.30/x
  3. Step 3: Cross multiply
    1,966,809.90x = 2,949,631.65 × 768,042.30
  4. Step 4: Simplify right side
    1,966,809.90x = 2,265,441,876,618.80
  5. Step 5: Solve for x
    x = 2,265,441,876,618.80/1,966,809.90
  6. Step 6: Final answer
    x = 1,151,835.71

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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.