Home / 3,985,725.42-5,979,537.23-1,290,051.09

Finding the Fourth Proportional to 3,985,725.42, 5,979,537.23 and 1,290,051.09

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Solution

The fourth proportional to 3,985,725.42, 5,979,537.23 and 1,290,051.09 is: 1,935,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,725.42 : 5,979,537.23 = 1,290,051.09 : x
  2. Step 2: Convert to fraction form
    3,985,725.42/5,979,537.23 = 1,290,051.09/x
  3. Step 3: Cross multiply
    3,985,725.42x = 5,979,537.23 × 1,290,051.09
  4. Step 4: Simplify right side
    3,985,725.42x = 7,713,908,514,806.83
  5. Step 5: Solve for x
    x = 7,713,908,514,806.83/3,985,725.42
  6. Step 6: Final answer
    x = 1,935,383.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.