Home / 3,518,622.40-5,276,896.80-1,387,998.40

Finding the Fourth Proportional to 3,518,622.40, 5,276,896.80 and 1,387,998.40

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Solution

The fourth proportional to 3,518,622.40, 5,276,896.80 and 1,387,998.40 is: 2,081,588.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518,622.40 : 5,276,896.80 = 1,387,998.40 : x
  2. Step 2: Convert to fraction form
    3,518,622.40/5,276,896.80 = 1,387,998.40/x
  3. Step 3: Cross multiply
    3,518,622.40x = 5,276,896.80 × 1,387,998.40
  4. Step 4: Simplify right side
    3,518,622.40x = 7,324,324,315,365.12
  5. Step 5: Solve for x
    x = 7,324,324,315,365.12/3,518,622.40
  6. Step 6: Final answer
    x = 2,081,588.61

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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.