Home / 3,728,259.70-5,144,917.70-2,158,457.73

Finding the Fourth Proportional to 3,728,259.70, 5,144,917.70 and 2,158,457.73

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Solution

The fourth proportional to 3,728,259.70, 5,144,917.70 and 2,158,457.73 is: 2,978,624.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728,259.70 : 5,144,917.70 = 2,158,457.73 : x
  2. Step 2: Convert to fraction form
    3,728,259.70/5,144,917.70 = 2,158,457.73/x
  3. Step 3: Cross multiply
    3,728,259.70x = 5,144,917.70 × 2,158,457.73
  4. Step 4: Simplify right side
    3,728,259.70x = 11,105,087,359,450.38
  5. Step 5: Solve for x
    x = 11,105,087,359,450.38/3,728,259.70
  6. Step 6: Final answer
    x = 2,978,624.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.