Home / 2,639,124.30-3,958,686.45-2,339,942.70

Finding the Fourth Proportional to 2,639,124.30, 3,958,686.45 and 2,339,942.70

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Solution

The fourth proportional to 2,639,124.30, 3,958,686.45 and 2,339,942.70 is: 3,509,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,124.30 : 3,958,686.45 = 2,339,942.70 : x
  2. Step 2: Convert to fraction form
    2,639,124.30/3,958,686.45 = 2,339,942.70/x
  3. Step 3: Cross multiply
    2,639,124.30x = 3,958,686.45 × 2,339,942.70
  4. Step 4: Simplify right side
    2,639,124.30x = 9,263,099,460,266.42
  5. Step 5: Solve for x
    x = 9,263,099,460,266.42/2,639,124.30
  6. Step 6: Final answer
    x = 3,509,914.05

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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.