Home / 3,939,732.72-5,909,780.18-1,207,084.43

Finding the Fourth Proportional to 3,939,732.72, 5,909,780.18 and 1,207,084.43

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Solution

The fourth proportional to 3,939,732.72, 5,909,780.18 and 1,207,084.43 is: 1,810,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,732.72 : 5,909,780.18 = 1,207,084.43 : x
  2. Step 2: Convert to fraction form
    3,939,732.72/5,909,780.18 = 1,207,084.43/x
  3. Step 3: Cross multiply
    3,939,732.72x = 5,909,780.18 × 1,207,084.43
  4. Step 4: Simplify right side
    3,939,732.72x = 7,133,603,657,792.76
  5. Step 5: Solve for x
    x = 7,133,603,657,792.76/3,939,732.72
  6. Step 6: Final answer
    x = 1,810,682.14

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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.