Home / 5,315,836.40-7,968,311.40-2,616,009.20

Finding the Fourth Proportional to 5,315,836.40, 7,968,311.40 and 2,616,009.20

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Solution

The fourth proportional to 5,315,836.40, 7,968,311.40 and 2,616,009.20 is: 3,921,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,836.40 : 7,968,311.40 = 2,616,009.20 : x
  2. Step 2: Convert to fraction form
    5,315,836.40/7,968,311.40 = 2,616,009.20/x
  3. Step 3: Cross multiply
    5,315,836.40x = 7,968,311.40 × 2,616,009.20
  4. Step 4: Simplify right side
    5,315,836.40x = 20,845,175,930,864.88
  5. Step 5: Solve for x
    x = 20,845,175,930,864.88/5,315,836.40
  6. Step 6: Final answer
    x = 3,921,335.11

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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.