Home / 2,639,502-3,642,522.48-1,432,278

Finding the Fourth Proportional to 2,639,502, 3,642,522.48 and 1,432,278

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Solution

The fourth proportional to 2,639,502, 3,642,522.48 and 1,432,278 is: 1,976,548.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,502 : 3,642,522.48 = 1,432,278 : x
  2. Step 2: Convert to fraction form
    2,639,502/3,642,522.48 = 1,432,278/x
  3. Step 3: Cross multiply
    2,639,502x = 3,642,522.48 × 1,432,278
  4. Step 4: Simplify right side
    2,639,502x = 5,217,104,812,609.44
  5. Step 5: Solve for x
    x = 5,217,104,812,609.44/2,639,502
  6. Step 6: Final answer
    x = 1,976,548.91

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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.