Home / 3,881,709.15-5,356,689.02-2,115,623.29

Finding the Fourth Proportional to 3,881,709.15, 5,356,689.02 and 2,115,623.29

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Solution

The fourth proportional to 3,881,709.15, 5,356,689.02 and 2,115,623.29 is: 2,919,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,709.15 : 5,356,689.02 = 2,115,623.29 : x
  2. Step 2: Convert to fraction form
    3,881,709.15/5,356,689.02 = 2,115,623.29/x
  3. Step 3: Cross multiply
    3,881,709.15x = 5,356,689.02 × 2,115,623.29
  4. Step 4: Simplify right side
    3,881,709.15x = 11,332,736,066,092.36
  5. Step 5: Solve for x
    x = 11,332,736,066,092.36/3,881,709.15
  6. Step 6: Final answer
    x = 2,919,522.21

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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.