Home / 2,091,211.80-3,136,817.70-1,618,236.60

Finding the Fourth Proportional to 2,091,211.80, 3,136,817.70 and 1,618,236.60

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Solution

The fourth proportional to 2,091,211.80, 3,136,817.70 and 1,618,236.60 is: 2,427,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,211.80 : 3,136,817.70 = 1,618,236.60 : x
  2. Step 2: Convert to fraction form
    2,091,211.80/3,136,817.70 = 1,618,236.60/x
  3. Step 3: Cross multiply
    2,091,211.80x = 3,136,817.70 × 1,618,236.60
  4. Step 4: Simplify right side
    2,091,211.80x = 5,076,113,209,667.82
  5. Step 5: Solve for x
    x = 5,076,113,209,667.82/2,091,211.80
  6. Step 6: Final answer
    x = 2,427,354.90

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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.