Home / 5,388,619.40-8,064,266.70-4,940,721.80

Finding the Fourth Proportional to 5,388,619.40, 8,064,266.70 and 4,940,721.80

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Solution

The fourth proportional to 5,388,619.40, 8,064,266.70 and 4,940,721.80 is: 7,393,971.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,619.40 : 8,064,266.70 = 4,940,721.80 : x
  2. Step 2: Convert to fraction form
    5,388,619.40/8,064,266.70 = 4,940,721.80/x
  3. Step 3: Cross multiply
    5,388,619.40x = 8,064,266.70 × 4,940,721.80
  4. Step 4: Simplify right side
    5,388,619.40x = 39,843,298,285,704.06
  5. Step 5: Solve for x
    x = 39,843,298,285,704.06/5,388,619.40
  6. Step 6: Final answer
    x = 7,393,971.50

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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.