Home / 3,100,421.17-4,278,820.82-1,860,077.93

Finding the Fourth Proportional to 3,100,421.17, 4,278,820.82 and 1,860,077.93

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Solution

The fourth proportional to 3,100,421.17, 4,278,820.82 and 1,860,077.93 is: 2,567,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,421.17 : 4,278,820.82 = 1,860,077.93 : x
  2. Step 2: Convert to fraction form
    3,100,421.17/4,278,820.82 = 1,860,077.93/x
  3. Step 3: Cross multiply
    3,100,421.17x = 4,278,820.82 × 1,860,077.93
  4. Step 4: Simplify right side
    3,100,421.17x = 7,958,940,143,012.01
  5. Step 5: Solve for x
    x = 7,958,940,143,012.01/3,100,421.17
  6. Step 6: Final answer
    x = 2,567,051.28

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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.