Home / 2,098,327.80-3,148,269.30-678,430.20

Finding the Fourth Proportional to 2,098,327.80, 3,148,269.30 and 678,430.20

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Solution

The fourth proportional to 2,098,327.80, 3,148,269.30 and 678,430.20 is: 1,017,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,327.80 : 3,148,269.30 = 678,430.20 : x
  2. Step 2: Convert to fraction form
    2,098,327.80/3,148,269.30 = 678,430.20/x
  3. Step 3: Cross multiply
    2,098,327.80x = 3,148,269.30 × 678,430.20
  4. Step 4: Simplify right side
    2,098,327.80x = 2,135,880,970,852.86
  5. Step 5: Solve for x
    x = 2,135,880,970,852.86/2,098,327.80
  6. Step 6: Final answer
    x = 1,017,896.71

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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.