Home / 5,456,980.80-8,186,200.20-1,861,844.40

Finding the Fourth Proportional to 5,456,980.80, 8,186,200.20 and 1,861,844.40

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Solution

The fourth proportional to 5,456,980.80, 8,186,200.20 and 1,861,844.40 is: 2,793,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456,980.80 : 8,186,200.20 = 1,861,844.40 : x
  2. Step 2: Convert to fraction form
    5,456,980.80/8,186,200.20 = 1,861,844.40/x
  3. Step 3: Cross multiply
    5,456,980.80x = 8,186,200.20 × 1,861,844.40
  4. Step 4: Simplify right side
    5,456,980.80x = 15,241,430,999,648.88
  5. Step 5: Solve for x
    x = 15,241,430,999,648.88/5,456,980.80
  6. Step 6: Final answer
    x = 2,793,015.32

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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.