Home / 3,180,029.60-4,388,041.68-2,149,778.45

Finding the Fourth Proportional to 3,180,029.60, 4,388,041.68 and 2,149,778.45

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Solution

The fourth proportional to 3,180,029.60, 4,388,041.68 and 2,149,778.45 is: 2,966,424.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,029.60 : 4,388,041.68 = 2,149,778.45 : x
  2. Step 2: Convert to fraction form
    3,180,029.60/4,388,041.68 = 2,149,778.45/x
  3. Step 3: Cross multiply
    3,180,029.60x = 4,388,041.68 × 2,149,778.45
  4. Step 4: Simplify right side
    3,180,029.60x = 9,433,317,441,365.80
  5. Step 5: Solve for x
    x = 9,433,317,441,365.80/3,180,029.60
  6. Step 6: Final answer
    x = 2,966,424.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.