Home / 1,615,185.36-2,228,854.32-970,224.48

Finding the Fourth Proportional to 1,615,185.36, 2,228,854.32 and 970,224.48

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Solution

The fourth proportional to 1,615,185.36, 2,228,854.32 and 970,224.48 is: 1,338,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,185.36 : 2,228,854.32 = 970,224.48 : x
  2. Step 2: Convert to fraction form
    1,615,185.36/2,228,854.32 = 970,224.48/x
  3. Step 3: Cross multiply
    1,615,185.36x = 2,228,854.32 × 970,224.48
  4. Step 4: Simplify right side
    1,615,185.36x = 2,162,489,023,617.75
  5. Step 5: Solve for x
    x = 2,162,489,023,617.75/1,615,185.36
  6. Step 6: Final answer
    x = 1,338,848.83

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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.