Home / 2,768,747.11-3,820,871.77-1,528,358.22

Finding the Fourth Proportional to 2,768,747.11, 3,820,871.77 and 1,528,358.22

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Solution

The fourth proportional to 2,768,747.11, 3,820,871.77 and 1,528,358.22 is: 2,109,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,747.11 : 3,820,871.77 = 1,528,358.22 : x
  2. Step 2: Convert to fraction form
    2,768,747.11/3,820,871.77 = 1,528,358.22/x
  3. Step 3: Cross multiply
    2,768,747.11x = 3,820,871.77 × 1,528,358.22
  4. Step 4: Simplify right side
    2,768,747.11x = 5,839,660,773,424.55
  5. Step 5: Solve for x
    x = 5,839,660,773,424.55/2,768,747.11
  6. Step 6: Final answer
    x = 2,109,134.76

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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.