Home / 4,202,105.90-6,308,825.81-2,688,742.94

Finding the Fourth Proportional to 4,202,105.90, 6,308,825.81 and 2,688,742.94

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Solution

The fourth proportional to 4,202,105.90, 6,308,825.81 and 2,688,742.94 is: 4,036,740.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202,105.90 : 6,308,825.81 = 2,688,742.94 : x
  2. Step 2: Convert to fraction form
    4,202,105.90/6,308,825.81 = 2,688,742.94/x
  3. Step 3: Cross multiply
    4,202,105.90x = 6,308,825.81 × 2,688,742.94
  4. Step 4: Simplify right side
    4,202,105.90x = 16,962,810,811,339.44
  5. Step 5: Solve for x
    x = 16,962,810,811,339.44/4,202,105.90
  6. Step 6: Final answer
    x = 4,036,740.44

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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.