Home / 5,277,806.56-7,915,621.20-2,579,361.76

Finding the Fourth Proportional to 5,277,806.56, 7,915,621.20 and 2,579,361.76

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Solution

The fourth proportional to 5,277,806.56, 7,915,621.20 and 2,579,361.76 is: 3,868,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277,806.56 : 7,915,621.20 = 2,579,361.76 : x
  2. Step 2: Convert to fraction form
    5,277,806.56/7,915,621.20 = 2,579,361.76/x
  3. Step 3: Cross multiply
    5,277,806.56x = 7,915,621.20 × 2,579,361.76
  4. Step 4: Simplify right side
    5,277,806.56x = 20,417,250,629,925.31
  5. Step 5: Solve for x
    x = 20,417,250,629,925.31/5,277,806.56
  6. Step 6: Final answer
    x = 3,868,510.60

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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.