Home / 5,233,333.48-7,850,000.22-1,639,130.20

Finding the Fourth Proportional to 5,233,333.48, 7,850,000.22 and 1,639,130.20

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Solution

The fourth proportional to 5,233,333.48, 7,850,000.22 and 1,639,130.20 is: 2,458,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233,333.48 : 7,850,000.22 = 1,639,130.20 : x
  2. Step 2: Convert to fraction form
    5,233,333.48/7,850,000.22 = 1,639,130.20/x
  3. Step 3: Cross multiply
    5,233,333.48x = 7,850,000.22 × 1,639,130.20
  4. Step 4: Simplify right side
    5,233,333.48x = 12,867,172,430,608.64
  5. Step 5: Solve for x
    x = 12,867,172,430,608.64/5,233,333.48
  6. Step 6: Final answer
    x = 2,458,695.30

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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.