Home / 4,709,786.80-7,064,745-1,343,993.20

Finding the Fourth Proportional to 4,709,786.80, 7,064,745 and 1,343,993.20

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Solution

The fourth proportional to 4,709,786.80, 7,064,745 and 1,343,993.20 is: 2,016,008.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709,786.80 : 7,064,745 = 1,343,993.20 : x
  2. Step 2: Convert to fraction form
    4,709,786.80/7,064,745 = 1,343,993.20/x
  3. Step 3: Cross multiply
    4,709,786.80x = 7,064,745 × 1,343,993.20
  4. Step 4: Simplify right side
    4,709,786.80x = 9,494,969,239,734
  5. Step 5: Solve for x
    x = 9,494,969,239,734/4,709,786.80
  6. Step 6: Final answer
    x = 2,016,008.29

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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.