Home / 3,071,878.83-4,239,294.49-1,676,516.79

Finding the Fourth Proportional to 3,071,878.83, 4,239,294.49 and 1,676,516.79

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Solution

The fourth proportional to 3,071,878.83, 4,239,294.49 and 1,676,516.79 is: 2,313,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071,878.83 : 4,239,294.49 = 1,676,516.79 : x
  2. Step 2: Convert to fraction form
    3,071,878.83/4,239,294.49 = 1,676,516.79/x
  3. Step 3: Cross multiply
    3,071,878.83x = 4,239,294.49 × 1,676,516.79
  4. Step 4: Simplify right side
    3,071,878.83x = 7,107,248,390,239.49
  5. Step 5: Solve for x
    x = 7,107,248,390,239.49/3,071,878.83
  6. Step 6: Final answer
    x = 2,313,648.68

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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.