Home / 3,930,719.17-5,424,513.16-2,140,642.58

Finding the Fourth Proportional to 3,930,719.17, 5,424,513.16 and 2,140,642.58

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Solution

The fourth proportional to 3,930,719.17, 5,424,513.16 and 2,140,642.58 is: 2,954,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,719.17 : 5,424,513.16 = 2,140,642.58 : x
  2. Step 2: Convert to fraction form
    3,930,719.17/5,424,513.16 = 2,140,642.58/x
  3. Step 3: Cross multiply
    3,930,719.17x = 5,424,513.16 × 2,140,642.58
  4. Step 4: Simplify right side
    3,930,719.17x = 11,611,943,846,066.35
  5. Step 5: Solve for x
    x = 11,611,943,846,066.35/3,930,719.17
  6. Step 6: Final answer
    x = 2,954,152.50

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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.