Home / 3,136,808.70-4,705,213.05-1,873,986.30

Finding the Fourth Proportional to 3,136,808.70, 4,705,213.05 and 1,873,986.30

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Solution

The fourth proportional to 3,136,808.70, 4,705,213.05 and 1,873,986.30 is: 2,810,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,808.70 : 4,705,213.05 = 1,873,986.30 : x
  2. Step 2: Convert to fraction form
    3,136,808.70/4,705,213.05 = 1,873,986.30/x
  3. Step 3: Cross multiply
    3,136,808.70x = 4,705,213.05 × 1,873,986.30
  4. Step 4: Simplify right side
    3,136,808.70x = 8,817,504,794,281.22
  5. Step 5: Solve for x
    x = 8,817,504,794,281.22/3,136,808.70
  6. Step 6: Final answer
    x = 2,810,979.45

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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.