Home / 3,818,899.04-5,270,118.72-2,100,031.52

Finding the Fourth Proportional to 3,818,899.04, 5,270,118.72 and 2,100,031.52

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Solution

The fourth proportional to 3,818,899.04, 5,270,118.72 and 2,100,031.52 is: 2,898,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,899.04 : 5,270,118.72 = 2,100,031.52 : x
  2. Step 2: Convert to fraction form
    3,818,899.04/5,270,118.72 = 2,100,031.52/x
  3. Step 3: Cross multiply
    3,818,899.04x = 5,270,118.72 × 2,100,031.52
  4. Step 4: Simplify right side
    3,818,899.04x = 11,067,415,426,142.05
  5. Step 5: Solve for x
    x = 11,067,415,426,142.05/3,818,899.04
  6. Step 6: Final answer
    x = 2,898,064.42

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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.