Home / 2,158,185.70-3,237,278.55-2,066,040.10

Finding the Fourth Proportional to 2,158,185.70, 3,237,278.55 and 2,066,040.10

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Solution

The fourth proportional to 2,158,185.70, 3,237,278.55 and 2,066,040.10 is: 3,099,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,185.70 : 3,237,278.55 = 2,066,040.10 : x
  2. Step 2: Convert to fraction form
    2,158,185.70/3,237,278.55 = 2,066,040.10/x
  3. Step 3: Cross multiply
    2,158,185.70x = 3,237,278.55 × 2,066,040.10
  4. Step 4: Simplify right side
    2,158,185.70x = 6,688,347,299,169.86
  5. Step 5: Solve for x
    x = 6,688,347,299,169.86/2,158,185.70
  6. Step 6: Final answer
    x = 3,099,060.15

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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.