Home / 2,721,806.40-4,082,709.60-1,123,838.40

Finding the Fourth Proportional to 2,721,806.40, 4,082,709.60 and 1,123,838.40

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Solution

The fourth proportional to 2,721,806.40, 4,082,709.60 and 1,123,838.40 is: 1,685,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721,806.40 : 4,082,709.60 = 1,123,838.40 : x
  2. Step 2: Convert to fraction form
    2,721,806.40/4,082,709.60 = 1,123,838.40/x
  3. Step 3: Cross multiply
    2,721,806.40x = 4,082,709.60 × 1,123,838.40
  4. Step 4: Simplify right side
    2,721,806.40x = 4,588,305,824,528.64
  5. Step 5: Solve for x
    x = 4,588,305,824,528.64/2,721,806.40
  6. Step 6: Final answer
    x = 1,685,757.60

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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.