Home / 3,280,015.20-4,916,523.60-1,257,477.60

Finding the Fourth Proportional to 3,280,015.20, 4,916,523.60 and 1,257,477.60

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Solution

The fourth proportional to 3,280,015.20, 4,916,523.60 and 1,257,477.60 is: 1,884,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,015.20 : 4,916,523.60 = 1,257,477.60 : x
  2. Step 2: Convert to fraction form
    3,280,015.20/4,916,523.60 = 1,257,477.60/x
  3. Step 3: Cross multiply
    3,280,015.20x = 4,916,523.60 × 1,257,477.60
  4. Step 4: Simplify right side
    3,280,015.20x = 6,182,418,296,871.36
  5. Step 5: Solve for x
    x = 6,182,418,296,871.36/3,280,015.20
  6. Step 6: Final answer
    x = 1,884,874.89

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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.