Home / 4,721,992.56-7,082,196.45-1,310,625.72

Finding the Fourth Proportional to 4,721,992.56, 7,082,196.45 and 1,310,625.72

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Solution

The fourth proportional to 4,721,992.56, 7,082,196.45 and 1,310,625.72 is: 1,965,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721,992.56 : 7,082,196.45 = 1,310,625.72 : x
  2. Step 2: Convert to fraction form
    4,721,992.56/7,082,196.45 = 1,310,625.72/x
  3. Step 3: Cross multiply
    4,721,992.56x = 7,082,196.45 × 1,310,625.72
  4. Step 4: Simplify right side
    4,721,992.56x = 9,282,108,821,462.69
  5. Step 5: Solve for x
    x = 9,282,108,821,462.69/4,721,992.56
  6. Step 6: Final answer
    x = 1,965,718.65

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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.