Home / 3,784,808.12-5,222,989.31-2,153,211.75

Finding the Fourth Proportional to 3,784,808.12, 5,222,989.31 and 2,153,211.75

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Solution

The fourth proportional to 3,784,808.12, 5,222,989.31 and 2,153,211.75 is: 2,971,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,808.12 : 5,222,989.31 = 2,153,211.75 : x
  2. Step 2: Convert to fraction form
    3,784,808.12/5,222,989.31 = 2,153,211.75/x
  3. Step 3: Cross multiply
    3,784,808.12x = 5,222,989.31 × 2,153,211.75
  4. Step 4: Simplify right side
    3,784,808.12x = 11,246,201,941,650.33
  5. Step 5: Solve for x
    x = 11,246,201,941,650.33/3,784,808.12
  6. Step 6: Final answer
    x = 2,971,406.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.