Home / 2,479,152.87-3,421,231.01-1,391,424.45

Finding the Fourth Proportional to 2,479,152.87, 3,421,231.01 and 1,391,424.45

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Solution

The fourth proportional to 2,479,152.87, 3,421,231.01 and 1,391,424.45 is: 1,920,165.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,152.87 : 3,421,231.01 = 1,391,424.45 : x
  2. Step 2: Convert to fraction form
    2,479,152.87/3,421,231.01 = 1,391,424.45/x
  3. Step 3: Cross multiply
    2,479,152.87x = 3,421,231.01 × 1,391,424.45
  4. Step 4: Simplify right side
    2,479,152.87x = 4,760,384,469,455.07
  5. Step 5: Solve for x
    x = 4,760,384,469,455.07/2,479,152.87
  6. Step 6: Final answer
    x = 1,920,165.77

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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.