Home / 3,865,642.78-5,334,440.89-2,146,874.01

Finding the Fourth Proportional to 3,865,642.78, 5,334,440.89 and 2,146,874.01

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Solution

The fourth proportional to 3,865,642.78, 5,334,440.89 and 2,146,874.01 is: 2,962,604.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,642.78 : 5,334,440.89 = 2,146,874.01 : x
  2. Step 2: Convert to fraction form
    3,865,642.78/5,334,440.89 = 2,146,874.01/x
  3. Step 3: Cross multiply
    3,865,642.78x = 5,334,440.89 × 2,146,874.01
  4. Step 4: Simplify right side
    3,865,642.78x = 11,452,372,533,327.63
  5. Step 5: Solve for x
    x = 11,452,372,533,327.63/3,865,642.78
  6. Step 6: Final answer
    x = 2,962,604.97

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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.