Home / 2,219,506.92-3,062,685.06-1,289,032.92

Finding the Fourth Proportional to 2,219,506.92, 3,062,685.06 and 1,289,032.92

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Solution

The fourth proportional to 2,219,506.92, 3,062,685.06 and 1,289,032.92 is: 1,778,729.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,506.92 : 3,062,685.06 = 1,289,032.92 : x
  2. Step 2: Convert to fraction form
    2,219,506.92/3,062,685.06 = 1,289,032.92/x
  3. Step 3: Cross multiply
    2,219,506.92x = 3,062,685.06 × 1,289,032.92
  4. Step 4: Simplify right side
    2,219,506.92x = 3,947,901,865,932.18
  5. Step 5: Solve for x
    x = 3,947,901,865,932.18/2,219,506.92
  6. Step 6: Final answer
    x = 1,778,729.24

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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.