Home / 2,659,457.13-3,989,185.78-664,913.13

Finding the Fourth Proportional to 2,659,457.13, 3,989,185.78 and 664,913.13

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Solution

The fourth proportional to 2,659,457.13, 3,989,185.78 and 664,913.13 is: 997,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,457.13 : 3,989,185.78 = 664,913.13 : x
  2. Step 2: Convert to fraction form
    2,659,457.13/3,989,185.78 = 664,913.13/x
  3. Step 3: Cross multiply
    2,659,457.13x = 3,989,185.78 × 664,913.13
  4. Step 4: Simplify right side
    2,659,457.13x = 2,652,462,003,131.29
  5. Step 5: Solve for x
    x = 2,652,462,003,131.29/2,659,457.13
  6. Step 6: Final answer
    x = 997,369.72

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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.