Home / 2,019,210.20-3,028,815.30-1,222,048.70

Finding the Fourth Proportional to 2,019,210.20, 3,028,815.30 and 1,222,048.70

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Solution

The fourth proportional to 2,019,210.20, 3,028,815.30 and 1,222,048.70 is: 1,833,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,210.20 : 3,028,815.30 = 1,222,048.70 : x
  2. Step 2: Convert to fraction form
    2,019,210.20/3,028,815.30 = 1,222,048.70/x
  3. Step 3: Cross multiply
    2,019,210.20x = 3,028,815.30 × 1,222,048.70
  4. Step 4: Simplify right side
    2,019,210.20x = 3,701,359,799,905.11
  5. Step 5: Solve for x
    x = 3,701,359,799,905.11/2,019,210.20
  6. Step 6: Final answer
    x = 1,833,073.05

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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.