Home / 5,357,879.72-7,392,997.53-3,154,599.25

Finding the Fourth Proportional to 5,357,879.72, 7,392,997.53 and 3,154,599.25

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Solution

The fourth proportional to 5,357,879.72, 7,392,997.53 and 3,154,599.25 is: 4,352,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357,879.72 : 7,392,997.53 = 3,154,599.25 : x
  2. Step 2: Convert to fraction form
    5,357,879.72/7,392,997.53 = 3,154,599.25/x
  3. Step 3: Cross multiply
    5,357,879.72x = 7,392,997.53 × 3,154,599.25
  4. Step 4: Simplify right side
    5,357,879.72x = 23,321,944,463,389.85
  5. Step 5: Solve for x
    x = 23,321,944,463,389.85/5,357,879.72
  6. Step 6: Final answer
    x = 4,352,830.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.