Home / 5,173,164.17-7,138,319.64-2,997,667.79

Finding the Fourth Proportional to 5,173,164.17, 7,138,319.64 and 2,997,667.79

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Solution

The fourth proportional to 5,173,164.17, 7,138,319.64 and 2,997,667.79 is: 4,136,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,164.17 : 7,138,319.64 = 2,997,667.79 : x
  2. Step 2: Convert to fraction form
    5,173,164.17/7,138,319.64 = 2,997,667.79/x
  3. Step 3: Cross multiply
    5,173,164.17x = 7,138,319.64 × 2,997,667.79
  4. Step 4: Simplify right side
    5,173,164.17x = 21,398,310,859,552.39
  5. Step 5: Solve for x
    x = 21,398,310,859,552.39/5,173,164.17
  6. Step 6: Final answer
    x = 4,136,406.69

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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.