Home / 3,825,298.31-5,278,885.83-2,106,405

Finding the Fourth Proportional to 3,825,298.31, 5,278,885.83 and 2,106,405

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Solution

The fourth proportional to 3,825,298.31, 5,278,885.83 and 2,106,405 is: 2,906,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,298.31 : 5,278,885.83 = 2,106,405 : x
  2. Step 2: Convert to fraction form
    3,825,298.31/5,278,885.83 = 2,106,405/x
  3. Step 3: Cross multiply
    3,825,298.31x = 5,278,885.83 × 2,106,405
  4. Step 4: Simplify right side
    3,825,298.31x = 11,119,471,506,741.15
  5. Step 5: Solve for x
    x = 11,119,471,506,741.15/3,825,298.31
  6. Step 6: Final answer
    x = 2,906,824.68

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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.