Home / 2,220,836.36-3,331,254.12-1,210,807.76

Finding the Fourth Proportional to 2,220,836.36, 3,331,254.12 and 1,210,807.76

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Solution

The fourth proportional to 2,220,836.36, 3,331,254.12 and 1,210,807.76 is: 1,816,211.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,836.36 : 3,331,254.12 = 1,210,807.76 : x
  2. Step 2: Convert to fraction form
    2,220,836.36/3,331,254.12 = 1,210,807.76/x
  3. Step 3: Cross multiply
    2,220,836.36x = 3,331,254.12 × 1,210,807.76
  4. Step 4: Simplify right side
    2,220,836.36x = 4,033,508,339,027.97
  5. Step 5: Solve for x
    x = 4,033,508,339,027.97/2,220,836.36
  6. Step 6: Final answer
    x = 1,816,211.41

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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.