Home / 1,996,590.40-2,992,844.40-984,155.20

Finding the Fourth Proportional to 1,996,590.40, 2,992,844.40 and 984,155.20

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Solution

The fourth proportional to 1,996,590.40, 2,992,844.40 and 984,155.20 is: 1,475,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,590.40 : 2,992,844.40 = 984,155.20 : x
  2. Step 2: Convert to fraction form
    1,996,590.40/2,992,844.40 = 984,155.20/x
  3. Step 3: Cross multiply
    1,996,590.40x = 2,992,844.40 × 984,155.20
  4. Step 4: Simplify right side
    1,996,590.40x = 2,945,423,379,050.88
  5. Step 5: Solve for x
    x = 2,945,423,379,050.88/1,996,590.40
  6. Step 6: Final answer
    x = 1,475,226.66

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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.