Home / 3,857,729.70-5,786,594.55-1,298,730.72

Finding the Fourth Proportional to 3,857,729.70, 5,786,594.55 and 1,298,730.72

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Solution

The fourth proportional to 3,857,729.70, 5,786,594.55 and 1,298,730.72 is: 1,948,096.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857,729.70 : 5,786,594.55 = 1,298,730.72 : x
  2. Step 2: Convert to fraction form
    3,857,729.70/5,786,594.55 = 1,298,730.72/x
  3. Step 3: Cross multiply
    3,857,729.70x = 5,786,594.55 × 1,298,730.72
  4. Step 4: Simplify right side
    3,857,729.70x = 7,515,228,106,269.58
  5. Step 5: Solve for x
    x = 7,515,228,106,269.58/3,857,729.70
  6. Step 6: Final answer
    x = 1,948,096.08

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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.