Home / 3,690,679.40-5,536,893.90-1,893,840.20

Finding the Fourth Proportional to 3,690,679.40, 5,536,893.90 and 1,893,840.20

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Solution

The fourth proportional to 3,690,679.40, 5,536,893.90 and 1,893,840.20 is: 2,841,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,679.40 : 5,536,893.90 = 1,893,840.20 : x
  2. Step 2: Convert to fraction form
    3,690,679.40/5,536,893.90 = 1,893,840.20/x
  3. Step 3: Cross multiply
    3,690,679.40x = 5,536,893.90 × 1,893,840.20
  4. Step 4: Simplify right side
    3,690,679.40x = 10,485,992,250,954.78
  5. Step 5: Solve for x
    x = 10,485,992,250,954.78/3,690,679.40
  6. Step 6: Final answer
    x = 2,841,209.20

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1.5x scale

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.