Home / 2,989,338.40-4,484,007.60-2,961,344.80

Finding the Fourth Proportional to 2,989,338.40, 4,484,007.60 and 2,961,344.80

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Solution

The fourth proportional to 2,989,338.40, 4,484,007.60 and 2,961,344.80 is: 4,442,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,338.40 : 4,484,007.60 = 2,961,344.80 : x
  2. Step 2: Convert to fraction form
    2,989,338.40/4,484,007.60 = 2,961,344.80/x
  3. Step 3: Cross multiply
    2,989,338.40x = 4,484,007.60 × 2,961,344.80
  4. Step 4: Simplify right side
    2,989,338.40x = 13,278,692,589,420.48
  5. Step 5: Solve for x
    x = 13,278,692,589,420.48/2,989,338.40
  6. Step 6: Final answer
    x = 4,442,017.20

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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.