Home / 3,784,181.40-5,676,272.10-2,189,858.40

Finding the Fourth Proportional to 3,784,181.40, 5,676,272.10 and 2,189,858.40

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Solution

The fourth proportional to 3,784,181.40, 5,676,272.10 and 2,189,858.40 is: 3,284,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,181.40 : 5,676,272.10 = 2,189,858.40 : x
  2. Step 2: Convert to fraction form
    3,784,181.40/5,676,272.10 = 2,189,858.40/x
  3. Step 3: Cross multiply
    3,784,181.40x = 5,676,272.10 × 2,189,858.40
  4. Step 4: Simplify right side
    3,784,181.40x = 12,430,232,138,870.64
  5. Step 5: Solve for x
    x = 12,430,232,138,870.64/3,784,181.40
  6. Step 6: Final answer
    x = 3,284,787.60

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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.