Home / 3,420,810.72-5,131,162.32-1,176,968.16

Finding the Fourth Proportional to 3,420,810.72, 5,131,162.32 and 1,176,968.16

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Solution

The fourth proportional to 3,420,810.72, 5,131,162.32 and 1,176,968.16 is: 1,765,433.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,810.72 : 5,131,162.32 = 1,176,968.16 : x
  2. Step 2: Convert to fraction form
    3,420,810.72/5,131,162.32 = 1,176,968.16/x
  3. Step 3: Cross multiply
    3,420,810.72x = 5,131,162.32 × 1,176,968.16
  4. Step 4: Simplify right side
    3,420,810.72x = 6,039,214,674,431.73
  5. Step 5: Solve for x
    x = 6,039,214,674,431.73/3,420,810.72
  6. Step 6: Final answer
    x = 1,765,433.74

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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.