Home / 4,080,278.48-6,120,196.31-1,240,169.21

Finding the Fourth Proportional to 4,080,278.48, 6,120,196.31 and 1,240,169.21

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Solution

The fourth proportional to 4,080,278.48, 6,120,196.31 and 1,240,169.21 is: 1,860,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080,278.48 : 6,120,196.31 = 1,240,169.21 : x
  2. Step 2: Convert to fraction form
    4,080,278.48/6,120,196.31 = 1,240,169.21/x
  3. Step 3: Cross multiply
    4,080,278.48x = 6,120,196.31 × 1,240,169.21
  4. Step 4: Simplify right side
    4,080,278.48x = 7,590,078,995,317.06
  5. Step 5: Solve for x
    x = 7,590,078,995,317.06/4,080,278.48
  6. Step 6: Final answer
    x = 1,860,186.51

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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.