Home / 6,665,126.85-9,998,063.94-1,872,442.45

Finding the Fourth Proportional to 6,665,126.85, 9,998,063.94 and 1,872,442.45

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Solution

The fourth proportional to 6,665,126.85, 9,998,063.94 and 1,872,442.45 is: 2,808,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665,126.85 : 9,998,063.94 = 1,872,442.45 : x
  2. Step 2: Convert to fraction form
    6,665,126.85/9,998,063.94 = 1,872,442.45/x
  3. Step 3: Cross multiply
    6,665,126.85x = 9,998,063.94 × 1,872,442.45
  4. Step 4: Simplify right side
    6,665,126.85x = 18,720,799,291,817.89
  5. Step 5: Solve for x
    x = 18,720,799,291,817.89/6,665,126.85
  6. Step 6: Final answer
    x = 2,808,768.64

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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.