Home / 5,307,826.76-7,960,197.69-2,068,643.51

Finding the Fourth Proportional to 5,307,826.76, 7,960,197.69 and 2,068,643.51

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Solution

The fourth proportional to 5,307,826.76, 7,960,197.69 and 2,068,643.51 is: 3,102,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307,826.76 : 7,960,197.69 = 2,068,643.51 : x
  2. Step 2: Convert to fraction form
    5,307,826.76/7,960,197.69 = 2,068,643.51/x
  3. Step 3: Cross multiply
    5,307,826.76x = 7,960,197.69 × 2,068,643.51
  4. Step 4: Simplify right side
    5,307,826.76x = 16,466,811,289,735.49
  5. Step 5: Solve for x
    x = 16,466,811,289,735.49/5,307,826.76
  6. Step 6: Final answer
    x = 3,102,364.12

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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.