Home / 2,990,503.56-4,484,179.08-1,305,638.76

Finding the Fourth Proportional to 2,990,503.56, 4,484,179.08 and 1,305,638.76

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Solution

The fourth proportional to 2,990,503.56, 4,484,179.08 and 1,305,638.76 is: 1,957,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,503.56 : 4,484,179.08 = 1,305,638.76 : x
  2. Step 2: Convert to fraction form
    2,990,503.56/4,484,179.08 = 1,305,638.76/x
  3. Step 3: Cross multiply
    2,990,503.56x = 4,484,179.08 × 1,305,638.76
  4. Step 4: Simplify right side
    2,990,503.56x = 5,854,718,013,629.14
  5. Step 5: Solve for x
    x = 5,854,718,013,629.14/2,990,503.56
  6. Step 6: Final answer
    x = 1,957,769.95

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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.