Home / 5,374,781.94-7,422,128.19-3,415,305.81

Finding the Fourth Proportional to 5,374,781.94, 7,422,128.19 and 3,415,305.81

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Solution

The fourth proportional to 5,374,781.94, 7,422,128.19 and 3,415,305.81 is: 4,716,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374,781.94 : 7,422,128.19 = 3,415,305.81 : x
  2. Step 2: Convert to fraction form
    5,374,781.94/7,422,128.19 = 3,415,305.81/x
  3. Step 3: Cross multiply
    5,374,781.94x = 7,422,128.19 × 3,415,305.81
  4. Step 4: Simplify right side
    5,374,781.94x = 25,348,837,529,871.79
  5. Step 5: Solve for x
    x = 25,348,837,529,871.79/5,374,781.94
  6. Step 6: Final answer
    x = 4,716,254.13

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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.