Home / 2,479,151.37-3,421,228.93-1,391,422.95

Finding the Fourth Proportional to 2,479,151.37, 3,421,228.93 and 1,391,422.95

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Solution

The fourth proportional to 2,479,151.37, 3,421,228.93 and 1,391,422.95 is: 1,920,163.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,151.37 : 3,421,228.93 = 1,391,422.95 : x
  2. Step 2: Convert to fraction form
    2,479,151.37/3,421,228.93 = 1,391,422.95/x
  3. Step 3: Cross multiply
    2,479,151.37x = 3,421,228.93 × 1,391,422.95
  4. Step 4: Simplify right side
    2,479,151.37x = 4,760,376,446,927.39
  5. Step 5: Solve for x
    x = 4,760,376,446,927.39/2,479,151.37
  6. Step 6: Final answer
    x = 1,920,163.69

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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.