Home / 6,178,777.20-9,269,040.60-1,918,501.20

Finding the Fourth Proportional to 6,178,777.20, 9,269,040.60 and 1,918,501.20

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Solution

The fourth proportional to 6,178,777.20, 9,269,040.60 and 1,918,501.20 is: 2,878,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,178,777.20 : 9,269,040.60 = 1,918,501.20 : x
  2. Step 2: Convert to fraction form
    6,178,777.20/9,269,040.60 = 1,918,501.20/x
  3. Step 3: Cross multiply
    6,178,777.20x = 9,269,040.60 × 1,918,501.20
  4. Step 4: Simplify right side
    6,178,777.20x = 17,782,665,513,948.72
  5. Step 5: Solve for x
    x = 17,782,665,513,948.72/6,178,777.20
  6. Step 6: Final answer
    x = 2,878,023.42

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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.