Home / 5,357,186.26-7,392,971.34-2,909,845.21

Finding the Fourth Proportional to 5,357,186.26, 7,392,971.34 and 2,909,845.21

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Solution

The fourth proportional to 5,357,186.26, 7,392,971.34 and 2,909,845.21 is: 4,015,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357,186.26 : 7,392,971.34 = 2,909,845.21 : x
  2. Step 2: Convert to fraction form
    5,357,186.26/7,392,971.34 = 2,909,845.21/x
  3. Step 3: Cross multiply
    5,357,186.26x = 7,392,971.34 × 2,909,845.21
  4. Step 4: Simplify right side
    5,357,186.26x = 21,512,402,241,366.28
  5. Step 5: Solve for x
    x = 21,512,402,241,366.28/5,357,186.26
  6. Step 6: Final answer
    x = 4,015,615.88

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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.