Home / 5,315,827.40-7,968,297.90-2,616,000.20

Finding the Fourth Proportional to 5,315,827.40, 7,968,297.90 and 2,616,000.20

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Solution

The fourth proportional to 5,315,827.40, 7,968,297.90 and 2,616,000.20 is: 3,921,321.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,827.40 : 7,968,297.90 = 2,616,000.20 : x
  2. Step 2: Convert to fraction form
    5,315,827.40/7,968,297.90 = 2,616,000.20/x
  3. Step 3: Cross multiply
    5,315,827.40x = 7,968,297.90 × 2,616,000.20
  4. Step 4: Simplify right side
    5,315,827.40x = 20,845,068,900,059.58
  5. Step 5: Solve for x
    x = 20,845,068,900,059.58/5,315,827.40
  6. Step 6: Final answer
    x = 3,921,321.62

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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.