Home / 3,186,297.72-4,398,715.92-2,159,231.40

Finding the Fourth Proportional to 3,186,297.72, 4,398,715.92 and 2,159,231.40

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Solution

The fourth proportional to 3,186,297.72, 4,398,715.92 and 2,159,231.40 is: 2,980,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186,297.72 : 4,398,715.92 = 2,159,231.40 : x
  2. Step 2: Convert to fraction form
    3,186,297.72/4,398,715.92 = 2,159,231.40/x
  3. Step 3: Cross multiply
    3,186,297.72x = 4,398,715.92 × 2,159,231.40
  4. Step 4: Simplify right side
    3,186,297.72x = 9,497,845,534,143.89
  5. Step 5: Solve for x
    x = 9,497,845,534,143.89/3,186,297.72
  6. Step 6: Final answer
    x = 2,980,840.58

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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.