Home / 1,395,234.20-2,092,851.30-1,376,571.80

Finding the Fourth Proportional to 1,395,234.20, 2,092,851.30 and 1,376,571.80

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Solution

The fourth proportional to 1,395,234.20, 2,092,851.30 and 1,376,571.80 is: 2,064,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,234.20 : 2,092,851.30 = 1,376,571.80 : x
  2. Step 2: Convert to fraction form
    1,395,234.20/2,092,851.30 = 1,376,571.80/x
  3. Step 3: Cross multiply
    1,395,234.20x = 2,092,851.30 × 1,376,571.80
  4. Step 4: Simplify right side
    1,395,234.20x = 2,880,960,081,173.34
  5. Step 5: Solve for x
    x = 2,880,960,081,173.34/1,395,234.20
  6. Step 6: Final answer
    x = 2,064,857.70

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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.