Home / 2,107,938.89-3,161,435.49-969,607.89

Finding the Fourth Proportional to 2,107,938.89, 3,161,435.49 and 969,607.89

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Solution

The fourth proportional to 2,107,938.89, 3,161,435.49 and 969,607.89 is: 1,454,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,938.89 : 3,161,435.49 = 969,607.89 : x
  2. Step 2: Convert to fraction form
    2,107,938.89/3,161,435.49 = 969,607.89/x
  3. Step 3: Cross multiply
    2,107,938.89x = 3,161,435.49 × 969,607.89
  4. Step 4: Simplify right side
    2,107,938.89x = 3,065,352,794,830.02
  5. Step 5: Solve for x
    x = 3,065,352,794,830.02/2,107,938.89
  6. Step 6: Final answer
    x = 1,454,194.34

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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.