Home / 2,098,692.80-3,147,261.60-678,795.20

Finding the Fourth Proportional to 2,098,692.80, 3,147,261.60 and 678,795.20

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Solution

The fourth proportional to 2,098,692.80, 3,147,261.60 and 678,795.20 is: 1,017,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,692.80 : 3,147,261.60 = 678,795.20 : x
  2. Step 2: Convert to fraction form
    2,098,692.80/3,147,261.60 = 678,795.20/x
  3. Step 3: Cross multiply
    2,098,692.80x = 3,147,261.60 × 678,795.20
  4. Step 4: Simplify right side
    2,098,692.80x = 2,136,346,067,224.32
  5. Step 5: Solve for x
    x = 2,136,346,067,224.32/2,098,692.80
  6. Step 6: Final answer
    x = 1,017,941.30

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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.