Home / 5,456,919.45-8,186,219.96-1,861,848.39

Finding the Fourth Proportional to 5,456,919.45, 8,186,219.96 and 1,861,848.39

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Solution

The fourth proportional to 5,456,919.45, 8,186,219.96 and 1,861,848.39 is: 2,793,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456,919.45 : 8,186,219.96 = 1,861,848.39 : x
  2. Step 2: Convert to fraction form
    5,456,919.45/8,186,219.96 = 1,861,848.39/x
  3. Step 3: Cross multiply
    5,456,919.45x = 8,186,219.96 × 1,861,848.39
  4. Step 4: Simplify right side
    5,456,919.45x = 15,241,500,452,711.86
  5. Step 5: Solve for x
    x = 15,241,500,452,711.86/5,456,919.45
  6. Step 6: Final answer
    x = 2,793,059.45

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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.