Home / 2,673,214.80-4,009,822.20-780,147.60

Finding the Fourth Proportional to 2,673,214.80, 4,009,822.20 and 780,147.60

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Solution

The fourth proportional to 2,673,214.80, 4,009,822.20 and 780,147.60 is: 1,170,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673,214.80 : 4,009,822.20 = 780,147.60 : x
  2. Step 2: Convert to fraction form
    2,673,214.80/4,009,822.20 = 780,147.60/x
  3. Step 3: Cross multiply
    2,673,214.80x = 4,009,822.20 × 780,147.60
  4. Step 4: Simplify right side
    2,673,214.80x = 3,128,253,165,756.72
  5. Step 5: Solve for x
    x = 3,128,253,165,756.72/2,673,214.80
  6. Step 6: Final answer
    x = 1,170,221.40

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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.