Home / 2,202,518.41-3,039,428.90-1,222,400.36

Finding the Fourth Proportional to 2,202,518.41, 3,039,428.90 and 1,222,400.36

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Solution

The fourth proportional to 2,202,518.41, 3,039,428.90 and 1,222,400.36 is: 1,686,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202,518.41 : 3,039,428.90 = 1,222,400.36 : x
  2. Step 2: Convert to fraction form
    2,202,518.41/3,039,428.90 = 1,222,400.36/x
  3. Step 3: Cross multiply
    2,202,518.41x = 3,039,428.90 × 1,222,400.36
  4. Step 4: Simplify right side
    2,202,518.41x = 3,715,398,992,208.98
  5. Step 5: Solve for x
    x = 3,715,398,992,208.98/2,202,518.41
  6. Step 6: Final answer
    x = 1,686,886.69

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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.