Home / 1,615,220.64-2,229,004.60-936,550.80

Finding the Fourth Proportional to 1,615,220.64, 2,229,004.60 and 936,550.80

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Solution

The fourth proportional to 1,615,220.64, 2,229,004.60 and 936,550.80 is: 1,292,440.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,220.64 : 2,229,004.60 = 936,550.80 : x
  2. Step 2: Convert to fraction form
    1,615,220.64/2,229,004.60 = 936,550.80/x
  3. Step 3: Cross multiply
    1,615,220.64x = 2,229,004.60 × 936,550.80
  4. Step 4: Simplify right side
    1,615,220.64x = 2,087,576,041,333.68
  5. Step 5: Solve for x
    x = 2,087,576,041,333.68/1,615,220.64
  6. Step 6: Final answer
    x = 1,292,440.17

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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.