Home / 3,989,185.50-5,983,778.25-997,369.50

Finding the Fourth Proportional to 3,989,185.50, 5,983,778.25 and 997,369.50

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Solution

The fourth proportional to 3,989,185.50, 5,983,778.25 and 997,369.50 is: 1,496,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,185.50 : 5,983,778.25 = 997,369.50 : x
  2. Step 2: Convert to fraction form
    3,989,185.50/5,983,778.25 = 997,369.50/x
  3. Step 3: Cross multiply
    3,989,185.50x = 5,983,778.25 × 997,369.50
  4. Step 4: Simplify right side
    3,989,185.50x = 5,968,037,921,313.38
  5. Step 5: Solve for x
    x = 5,968,037,921,313.38/3,989,185.50
  6. Step 6: Final answer
    x = 1,496,054.25

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Double scale
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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.