Home / 2,405,875.69-3,319,686.48-1,372,911.85

Finding the Fourth Proportional to 2,405,875.69, 3,319,686.48 and 1,372,911.85

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Solution

The fourth proportional to 2,405,875.69, 3,319,686.48 and 1,372,911.85 is: 1,894,377.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,875.69 : 3,319,686.48 = 1,372,911.85 : x
  2. Step 2: Convert to fraction form
    2,405,875.69/3,319,686.48 = 1,372,911.85/x
  3. Step 3: Cross multiply
    2,405,875.69x = 3,319,686.48 × 1,372,911.85
  4. Step 4: Simplify right side
    2,405,875.69x = 4,557,636,906,676.79
  5. Step 5: Solve for x
    x = 4,557,636,906,676.79/2,405,875.69
  6. Step 6: Final answer
    x = 1,894,377.55

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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.