Home / 4,102,489.82-6,154,798.75-2,181,821.72

Finding the Fourth Proportional to 4,102,489.82, 6,154,798.75 and 2,181,821.72

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Solution

The fourth proportional to 4,102,489.82, 6,154,798.75 and 2,181,821.72 is: 3,273,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102,489.82 : 6,154,798.75 = 2,181,821.72 : x
  2. Step 2: Convert to fraction form
    4,102,489.82/6,154,798.75 = 2,181,821.72/x
  3. Step 3: Cross multiply
    4,102,489.82x = 6,154,798.75 × 2,181,821.72
  4. Step 4: Simplify right side
    4,102,489.82x = 13,428,673,610,777.91
  5. Step 5: Solve for x
    x = 13,428,673,610,777.91/4,102,489.82
  6. Step 6: Final answer
    x = 3,273,298.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.