Home / 3,753,451.86-5,179,986.95-2,122,011.08

Finding the Fourth Proportional to 3,753,451.86, 5,179,986.95 and 2,122,011.08

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Solution

The fourth proportional to 3,753,451.86, 5,179,986.95 and 2,122,011.08 is: 2,928,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753,451.86 : 5,179,986.95 = 2,122,011.08 : x
  2. Step 2: Convert to fraction form
    3,753,451.86/5,179,986.95 = 2,122,011.08/x
  3. Step 3: Cross multiply
    3,753,451.86x = 5,179,986.95 × 2,122,011.08
  4. Step 4: Simplify right side
    3,753,451.86x = 10,991,989,702,155.41
  5. Step 5: Solve for x
    x = 10,991,989,702,155.41/3,753,451.86
  6. Step 6: Final answer
    x = 2,928,501.58

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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.