Home / 5,194,309.09-7,168,858.63-2,989,126.59

Finding the Fourth Proportional to 5,194,309.09, 7,168,858.63 and 2,989,126.59

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Solution

The fourth proportional to 5,194,309.09, 7,168,858.63 and 2,989,126.59 is: 4,125,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194,309.09 : 7,168,858.63 = 2,989,126.59 : x
  2. Step 2: Convert to fraction form
    5,194,309.09/7,168,858.63 = 2,989,126.59/x
  3. Step 3: Cross multiply
    5,194,309.09x = 7,168,858.63 × 2,989,126.59
  4. Step 4: Simplify right side
    5,194,309.09x = 21,428,625,950,883.97
  5. Step 5: Solve for x
    x = 21,428,625,950,883.97/5,194,309.09
  6. Step 6: Final answer
    x = 4,125,404.47

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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.