Home / 2,901,308.67-4,002,138.41-1,811,688.75

Finding the Fourth Proportional to 2,901,308.67, 4,002,138.41 and 1,811,688.75

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Solution

The fourth proportional to 2,901,308.67, 4,002,138.41 and 1,811,688.75 is: 2,499,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901,308.67 : 4,002,138.41 = 1,811,688.75 : x
  2. Step 2: Convert to fraction form
    2,901,308.67/4,002,138.41 = 1,811,688.75/x
  3. Step 3: Cross multiply
    2,901,308.67x = 4,002,138.41 × 1,811,688.75
  4. Step 4: Simplify right side
    2,901,308.67x = 7,250,629,124,281.44
  5. Step 5: Solve for x
    x = 7,250,629,124,281.44/2,901,308.67
  6. Step 6: Final answer
    x = 2,499,089.19

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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.