Home / 5,377,945.20-8,065,362.60-1,965,836.40

Finding the Fourth Proportional to 5,377,945.20, 8,065,362.60 and 1,965,836.40

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Solution

The fourth proportional to 5,377,945.20, 8,065,362.60 and 1,965,836.40 is: 2,948,186.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377,945.20 : 8,065,362.60 = 1,965,836.40 : x
  2. Step 2: Convert to fraction form
    5,377,945.20/8,065,362.60 = 1,965,836.40/x
  3. Step 3: Cross multiply
    5,377,945.20x = 8,065,362.60 × 1,965,836.40
  4. Step 4: Simplify right side
    5,377,945.20x = 15,855,183,378,278.64
  5. Step 5: Solve for x
    x = 15,855,183,378,278.64/5,377,945.20
  6. Step 6: Final answer
    x = 2,948,186.12

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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.