Home / 5,328,240.40-7,992,360.60-3,415,052.80

Finding the Fourth Proportional to 5,328,240.40, 7,992,360.60 and 3,415,052.80

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Solution

The fourth proportional to 5,328,240.40, 7,992,360.60 and 3,415,052.80 is: 5,122,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,240.40 : 7,992,360.60 = 3,415,052.80 : x
  2. Step 2: Convert to fraction form
    5,328,240.40/7,992,360.60 = 3,415,052.80/x
  3. Step 3: Cross multiply
    5,328,240.40x = 7,992,360.60 × 3,415,052.80
  4. Step 4: Simplify right side
    5,328,240.40x = 27,294,333,445,639.68
  5. Step 5: Solve for x
    x = 27,294,333,445,639.68/5,328,240.40
  6. Step 6: Final answer
    x = 5,122,579.20

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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.