Home / 3,470,251.95-4,787,788.70-2,019,639.76

Finding the Fourth Proportional to 3,470,251.95, 4,787,788.70 and 2,019,639.76

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Solution

The fourth proportional to 3,470,251.95, 4,787,788.70 and 2,019,639.76 is: 2,786,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470,251.95 : 4,787,788.70 = 2,019,639.76 : x
  2. Step 2: Convert to fraction form
    3,470,251.95/4,787,788.70 = 2,019,639.76/x
  3. Step 3: Cross multiply
    3,470,251.95x = 4,787,788.70 × 2,019,639.76
  4. Step 4: Simplify right side
    3,470,251.95x = 9,669,608,414,078.34
  5. Step 5: Solve for x
    x = 9,669,608,414,078.34/3,470,251.95
  6. Step 6: Final answer
    x = 2,786,428.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.