Home / 3,418,474.65-4,717,456.76-1,869,780.81

Finding the Fourth Proportional to 3,418,474.65, 4,717,456.76 and 1,869,780.81

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Solution

The fourth proportional to 3,418,474.65, 4,717,456.76 and 1,869,780.81 is: 2,580,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,474.65 : 4,717,456.76 = 1,869,780.81 : x
  2. Step 2: Convert to fraction form
    3,418,474.65/4,717,456.76 = 1,869,780.81/x
  3. Step 3: Cross multiply
    3,418,474.65x = 4,717,456.76 × 1,869,780.81
  4. Step 4: Simplify right side
    3,418,474.65x = 8,820,610,112,503.87
  5. Step 5: Solve for x
    x = 8,820,610,112,503.87/3,418,474.65
  6. Step 6: Final answer
    x = 2,580,276.59

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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.