Home / 2,875,956.34-3,970,257.95-1,788,578.23

Finding the Fourth Proportional to 2,875,956.34, 3,970,257.95 and 1,788,578.23

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Solution

The fourth proportional to 2,875,956.34, 3,970,257.95 and 1,788,578.23 is: 2,469,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875,956.34 : 3,970,257.95 = 1,788,578.23 : x
  2. Step 2: Convert to fraction form
    2,875,956.34/3,970,257.95 = 1,788,578.23/x
  3. Step 3: Cross multiply
    2,875,956.34x = 3,970,257.95 × 1,788,578.23
  4. Step 4: Simplify right side
    2,875,956.34x = 7,101,116,936,854.43
  5. Step 5: Solve for x
    x = 7,101,116,936,854.43/2,875,956.34
  6. Step 6: Final answer
    x = 2,469,132.38

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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.