Home / 2,770,800.30-4,156,200.45-1,872,672.30

Finding the Fourth Proportional to 2,770,800.30, 4,156,200.45 and 1,872,672.30

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Solution

The fourth proportional to 2,770,800.30, 4,156,200.45 and 1,872,672.30 is: 2,809,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770,800.30 : 4,156,200.45 = 1,872,672.30 : x
  2. Step 2: Convert to fraction form
    2,770,800.30/4,156,200.45 = 1,872,672.30/x
  3. Step 3: Cross multiply
    2,770,800.30x = 4,156,200.45 × 1,872,672.30
  4. Step 4: Simplify right side
    2,770,800.30x = 7,783,201,455,962.54
  5. Step 5: Solve for x
    x = 7,783,201,455,962.54/2,770,800.30
  6. Step 6: Final answer
    x = 2,809,008.45

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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.