Home / 6,461,784.62-8,917,262.81-3,561,175.53

Finding the Fourth Proportional to 6,461,784.62, 8,917,262.81 and 3,561,175.53

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Solution

The fourth proportional to 6,461,784.62, 8,917,262.81 and 3,561,175.53 is: 4,914,422.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461,784.62 : 8,917,262.81 = 3,561,175.53 : x
  2. Step 2: Convert to fraction form
    6,461,784.62/8,917,262.81 = 3,561,175.53/x
  3. Step 3: Cross multiply
    6,461,784.62x = 8,917,262.81 × 3,561,175.53
  4. Step 4: Simplify right side
    6,461,784.62x = 31,755,938,129,131.18
  5. Step 5: Solve for x
    x = 31,755,938,129,131.18/6,461,784.62
  6. Step 6: Final answer
    x = 4,914,422.25

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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.