Home / 2,916,615.60-4,374,923.40-2,198,113.20

Finding the Fourth Proportional to 2,916,615.60, 4,374,923.40 and 2,198,113.20

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Solution

The fourth proportional to 2,916,615.60, 4,374,923.40 and 2,198,113.20 is: 3,297,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,615.60 : 4,374,923.40 = 2,198,113.20 : x
  2. Step 2: Convert to fraction form
    2,916,615.60/4,374,923.40 = 2,198,113.20/x
  3. Step 3: Cross multiply
    2,916,615.60x = 4,374,923.40 × 2,198,113.20
  4. Step 4: Simplify right side
    2,916,615.60x = 9,616,576,874,528.88
  5. Step 5: Solve for x
    x = 9,616,576,874,528.88/2,916,615.60
  6. Step 6: Final answer
    x = 3,297,169.80

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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.