Home / 2,212,155.36-3,317,429.46-772,434.36

Finding the Fourth Proportional to 2,212,155.36, 3,317,429.46 and 772,434.36

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Solution

The fourth proportional to 2,212,155.36, 3,317,429.46 and 772,434.36 is: 1,158,370.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,155.36 : 3,317,429.46 = 772,434.36 : x
  2. Step 2: Convert to fraction form
    2,212,155.36/3,317,429.46 = 772,434.36/x
  3. Step 3: Cross multiply
    2,212,155.36x = 3,317,429.46 × 772,434.36
  4. Step 4: Simplify right side
    2,212,155.36x = 2,562,496,501,780.25
  5. Step 5: Solve for x
    x = 2,562,496,501,780.25/2,212,155.36
  6. Step 6: Final answer
    x = 1,158,370.95

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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.