Home / 2,129,904.81-3,196,019.66-1,233,098.12

Finding the Fourth Proportional to 2,129,904.81, 3,196,019.66 and 1,233,098.12

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Solution

The fourth proportional to 2,129,904.81, 3,196,019.66 and 1,233,098.12 is: 1,850,320.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,904.81 : 3,196,019.66 = 1,233,098.12 : x
  2. Step 2: Convert to fraction form
    2,129,904.81/3,196,019.66 = 1,233,098.12/x
  3. Step 3: Cross multiply
    2,129,904.81x = 3,196,019.66 × 1,233,098.12
  4. Step 4: Simplify right side
    2,129,904.81x = 3,941,005,834,229.04
  5. Step 5: Solve for x
    x = 3,941,005,834,229.04/2,129,904.81
  6. Step 6: Final answer
    x = 1,850,320.17

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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.