Home / 3,911,081.76-5,404,695.84-2,942,529.12

Finding the Fourth Proportional to 3,911,081.76, 5,404,695.84 and 2,942,529.12

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Solution

The fourth proportional to 3,911,081.76, 5,404,695.84 and 2,942,529.12 is: 4,066,259.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,081.76 : 5,404,695.84 = 2,942,529.12 : x
  2. Step 2: Convert to fraction form
    3,911,081.76/5,404,695.84 = 2,942,529.12/x
  3. Step 3: Cross multiply
    3,911,081.76x = 5,404,695.84 × 2,942,529.12
  4. Step 4: Simplify right side
    3,911,081.76x = 15,903,474,893,942.86
  5. Step 5: Solve for x
    x = 15,903,474,893,942.86/3,911,081.76
  6. Step 6: Final answer
    x = 4,066,259.89

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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.