Home / 2,597,136.30-3,895,704.45-2,118,839.40

Finding the Fourth Proportional to 2,597,136.30, 3,895,704.45 and 2,118,839.40

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Solution

The fourth proportional to 2,597,136.30, 3,895,704.45 and 2,118,839.40 is: 3,178,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,597,136.30 : 3,895,704.45 = 2,118,839.40 : x
  2. Step 2: Convert to fraction form
    2,597,136.30/3,895,704.45 = 2,118,839.40/x
  3. Step 3: Cross multiply
    2,597,136.30x = 3,895,704.45 × 2,118,839.40
  4. Step 4: Simplify right side
    2,597,136.30x = 8,254,372,079,415.33
  5. Step 5: Solve for x
    x = 8,254,372,079,415.33/2,597,136.30
  6. Step 6: Final answer
    x = 3,178,259.10

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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.