Home / 6,898,400.67-9,520,008.63-3,958,755.57

Finding the Fourth Proportional to 6,898,400.67, 9,520,008.63 and 3,958,755.57

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Solution

The fourth proportional to 6,898,400.67, 9,520,008.63 and 3,958,755.57 is: 5,463,206.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898,400.67 : 9,520,008.63 = 3,958,755.57 : x
  2. Step 2: Convert to fraction form
    6,898,400.67/9,520,008.63 = 3,958,755.57/x
  3. Step 3: Cross multiply
    6,898,400.67x = 9,520,008.63 × 3,958,755.57
  4. Step 4: Simplify right side
    6,898,400.67x = 37,687,387,190,460.57
  5. Step 5: Solve for x
    x = 37,687,387,190,460.57/6,898,400.67
  6. Step 6: Final answer
    x = 5,463,206.47

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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.