Home / 3,820,142.64-5,271,685.66-2,101,262.70

Finding the Fourth Proportional to 3,820,142.64, 5,271,685.66 and 2,101,262.70

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Solution

The fourth proportional to 3,820,142.64, 5,271,685.66 and 2,101,262.70 is: 2,899,681.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820,142.64 : 5,271,685.66 = 2,101,262.70 : x
  2. Step 2: Convert to fraction form
    3,820,142.64/5,271,685.66 = 2,101,262.70/x
  3. Step 3: Cross multiply
    3,820,142.64x = 5,271,685.66 × 2,101,262.70
  4. Step 4: Simplify right side
    3,820,142.64x = 11,077,196,443,482.88
  5. Step 5: Solve for x
    x = 11,077,196,443,482.88/3,820,142.64
  6. Step 6: Final answer
    x = 2,899,681.37

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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.