Home / 2,687,235.40-4,030,853.10-890,396.20

Finding the Fourth Proportional to 2,687,235.40, 4,030,853.10 and 890,396.20

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Solution

The fourth proportional to 2,687,235.40, 4,030,853.10 and 890,396.20 is: 1,335,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,235.40 : 4,030,853.10 = 890,396.20 : x
  2. Step 2: Convert to fraction form
    2,687,235.40/4,030,853.10 = 890,396.20/x
  3. Step 3: Cross multiply
    2,687,235.40x = 4,030,853.10 × 890,396.20
  4. Step 4: Simplify right side
    2,687,235.40x = 3,589,056,282,998.22
  5. Step 5: Solve for x
    x = 3,589,056,282,998.22/2,687,235.40
  6. Step 6: Final answer
    x = 1,335,594.30

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Similar ratio
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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.