Home / 3,820,145.76-5,271,690.06-2,101,265.82

Finding the Fourth Proportional to 3,820,145.76, 5,271,690.06 and 2,101,265.82

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Solution

The fourth proportional to 3,820,145.76, 5,271,690.06 and 2,101,265.82 is: 2,899,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,145.76 : 5,271,690.06 = 2,101,265.82 : x
  2. Step 2: Convert to fraction form
    3,820,145.76/5,271,690.06 = 2,101,265.82/x
  3. Step 3: Cross multiply
    3,820,145.76x = 5,271,690.06 × 2,101,265.82
  4. Step 4: Simplify right side
    3,820,145.76x = 11,077,222,136,711.75
  5. Step 5: Solve for x
    x = 11,077,222,136,711.75/3,820,145.76
  6. Step 6: Final answer
    x = 2,899,685.73

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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.