Home / 2,216,712.12-3,326,313.85-1,205,904.81

Finding the Fourth Proportional to 2,216,712.12, 3,326,313.85 and 1,205,904.81

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Solution

The fourth proportional to 2,216,712.12, 3,326,313.85 and 1,205,904.81 is: 1,809,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216,712.12 : 3,326,313.85 = 1,205,904.81 : x
  2. Step 2: Convert to fraction form
    2,216,712.12/3,326,313.85 = 1,205,904.81/x
  3. Step 3: Cross multiply
    2,216,712.12x = 3,326,313.85 × 1,205,904.81
  4. Step 4: Simplify right side
    2,216,712.12x = 4,011,217,871,284.62
  5. Step 5: Solve for x
    x = 4,011,217,871,284.62/2,216,712.12
  6. Step 6: Final answer
    x = 1,809,534.87

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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.