Home / 2,028,363.12-3,043,181.34-1,219,678.56

Finding the Fourth Proportional to 2,028,363.12, 3,043,181.34 and 1,219,678.56

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Solution

The fourth proportional to 2,028,363.12, 3,043,181.34 and 1,219,678.56 is: 1,829,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,363.12 : 3,043,181.34 = 1,219,678.56 : x
  2. Step 2: Convert to fraction form
    2,028,363.12/3,043,181.34 = 1,219,678.56/x
  3. Step 3: Cross multiply
    2,028,363.12x = 3,043,181.34 × 1,219,678.56
  4. Step 4: Simplify right side
    2,028,363.12x = 3,711,703,034,590.07
  5. Step 5: Solve for x
    x = 3,711,703,034,590.07/2,028,363.12
  6. Step 6: Final answer
    x = 1,829,900.67

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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.