Home / 2,021,920.20-3,032,880.30-1,867,955.40

Finding the Fourth Proportional to 2,021,920.20, 3,032,880.30 and 1,867,955.40

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Solution

The fourth proportional to 2,021,920.20, 3,032,880.30 and 1,867,955.40 is: 2,801,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,920.20 : 3,032,880.30 = 1,867,955.40 : x
  2. Step 2: Convert to fraction form
    2,021,920.20/3,032,880.30 = 1,867,955.40/x
  3. Step 3: Cross multiply
    2,021,920.20x = 3,032,880.30 × 1,867,955.40
  4. Step 4: Simplify right side
    2,021,920.20x = 5,665,285,133,938.62
  5. Step 5: Solve for x
    x = 5,665,285,133,938.62/2,021,920.20
  6. Step 6: Final answer
    x = 2,801,933.10

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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.