Home / 5,347,647.90-7,380,697.41-3,173,389.92

Finding the Fourth Proportional to 5,347,647.90, 7,380,697.41 and 3,173,389.92

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Solution

The fourth proportional to 5,347,647.90, 7,380,697.41 and 3,173,389.92 is: 4,379,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347,647.90 : 7,380,697.41 = 3,173,389.92 : x
  2. Step 2: Convert to fraction form
    5,347,647.90/7,380,697.41 = 3,173,389.92/x
  3. Step 3: Cross multiply
    5,347,647.90x = 7,380,697.41 × 3,173,389.92
  4. Step 4: Simplify right side
    5,347,647.90x = 23,421,830,763,464.11
  5. Step 5: Solve for x
    x = 23,421,830,763,464.11/5,347,647.90
  6. Step 6: Final answer
    x = 4,379,837.87

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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.