Home / 3,679,620.30-5,519,430.45-983,940.30

Finding the Fourth Proportional to 3,679,620.30, 5,519,430.45 and 983,940.30

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Solution

The fourth proportional to 3,679,620.30, 5,519,430.45 and 983,940.30 is: 1,475,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679,620.30 : 5,519,430.45 = 983,940.30 : x
  2. Step 2: Convert to fraction form
    3,679,620.30/5,519,430.45 = 983,940.30/x
  3. Step 3: Cross multiply
    3,679,620.30x = 5,519,430.45 × 983,940.30
  4. Step 4: Simplify right side
    3,679,620.30x = 5,430,790,052,802.14
  5. Step 5: Solve for x
    x = 5,430,790,052,802.14/3,679,620.30
  6. Step 6: Final answer
    x = 1,475,910.45

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Similar ratio
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1.5x scale

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.