Home / 2,211,219.48-3,316,847.79-613,907.13

Finding the Fourth Proportional to 2,211,219.48, 3,316,847.79 and 613,907.13

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Solution

The fourth proportional to 2,211,219.48, 3,316,847.79 and 613,907.13 is: 920,865.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,219.48 : 3,316,847.79 = 613,907.13 : x
  2. Step 2: Convert to fraction form
    2,211,219.48/3,316,847.79 = 613,907.13/x
  3. Step 3: Cross multiply
    2,211,219.48x = 3,316,847.79 × 613,907.13
  4. Step 4: Simplify right side
    2,211,219.48x = 2,036,236,522,146.07
  5. Step 5: Solve for x
    x = 2,036,236,522,146.07/2,211,219.48
  6. Step 6: Final answer
    x = 920,865.86

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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.