Home / 2,628,986.40-3,943,090.80-735,919.20

Finding the Fourth Proportional to 2,628,986.40, 3,943,090.80 and 735,919.20

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Solution

The fourth proportional to 2,628,986.40, 3,943,090.80 and 735,919.20 is: 1,103,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,986.40 : 3,943,090.80 = 735,919.20 : x
  2. Step 2: Convert to fraction form
    2,628,986.40/3,943,090.80 = 735,919.20/x
  3. Step 3: Cross multiply
    2,628,986.40x = 3,943,090.80 × 735,919.20
  4. Step 4: Simplify right side
    2,628,986.40x = 2,901,796,227,063.36
  5. Step 5: Solve for x
    x = 2,901,796,227,063.36/2,628,986.40
  6. Step 6: Final answer
    x = 1,103,769.97

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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.