Home / 2,136,658.37-2,948,580.69-1,218,885.88

Finding the Fourth Proportional to 2,136,658.37, 2,948,580.69 and 1,218,885.88

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Solution

The fourth proportional to 2,136,658.37, 2,948,580.69 and 1,218,885.88 is: 1,682,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,658.37 : 2,948,580.69 = 1,218,885.88 : x
  2. Step 2: Convert to fraction form
    2,136,658.37/2,948,580.69 = 1,218,885.88/x
  3. Step 3: Cross multiply
    2,136,658.37x = 2,948,580.69 × 1,218,885.88
  4. Step 4: Simplify right side
    2,136,658.37x = 3,593,983,369,081.66
  5. Step 5: Solve for x
    x = 3,593,983,369,081.66/2,136,658.37
  6. Step 6: Final answer
    x = 1,682,058.03

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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.