Home / 2,072,806.40-3,113,875.20-2,016,819.20

Finding the Fourth Proportional to 2,072,806.40, 3,113,875.20 and 2,016,819.20

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Solution

The fourth proportional to 2,072,806.40, 3,113,875.20 and 2,016,819.20 is: 3,029,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,806.40 : 3,113,875.20 = 2,016,819.20 : x
  2. Step 2: Convert to fraction form
    2,072,806.40/3,113,875.20 = 2,016,819.20/x
  3. Step 3: Cross multiply
    2,072,806.40x = 3,113,875.20 × 2,016,819.20
  4. Step 4: Simplify right side
    2,072,806.40x = 6,280,123,289,763.84
  5. Step 5: Solve for x
    x = 6,280,123,289,763.84/2,072,806.40
  6. Step 6: Final answer
    x = 3,029,768.38

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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.