Home / 3,429,657.05-4,732,585.58-1,979,819.57

Finding the Fourth Proportional to 3,429,657.05, 4,732,585.58 and 1,979,819.57

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Solution

The fourth proportional to 3,429,657.05, 4,732,585.58 and 1,979,819.57 is: 2,731,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,657.05 : 4,732,585.58 = 1,979,819.57 : x
  2. Step 2: Convert to fraction form
    3,429,657.05/4,732,585.58 = 1,979,819.57/x
  3. Step 3: Cross multiply
    3,429,657.05x = 4,732,585.58 × 1,979,819.57
  4. Step 4: Simplify right side
    3,429,657.05x = 9,369,665,538,144.02
  5. Step 5: Solve for x
    x = 9,369,665,538,144.02/3,429,657.05
  6. Step 6: Final answer
    x = 2,731,954.07

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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.