Home / 5,320,578.24-7,982,048.16-1,533,765.60

Finding the Fourth Proportional to 5,320,578.24, 7,982,048.16 and 1,533,765.60

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Solution

The fourth proportional to 5,320,578.24, 7,982,048.16 and 1,533,765.60 is: 2,300,988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,578.24 : 7,982,048.16 = 1,533,765.60 : x
  2. Step 2: Convert to fraction form
    5,320,578.24/7,982,048.16 = 1,533,765.60/x
  3. Step 3: Cross multiply
    5,320,578.24x = 7,982,048.16 × 1,533,765.60
  4. Step 4: Simplify right side
    5,320,578.24x = 12,242,590,885,351.30
  5. Step 5: Solve for x
    x = 12,242,590,885,351.30/5,320,578.24
  6. Step 6: Final answer
    x = 2,300,988.79

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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.