Home / 3,960,564.16-5,465,494.56-2,149,728.16

Finding the Fourth Proportional to 3,960,564.16, 5,465,494.56 and 2,149,728.16

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Solution

The fourth proportional to 3,960,564.16, 5,465,494.56 and 2,149,728.16 is: 2,966,579.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,564.16 : 5,465,494.56 = 2,149,728.16 : x
  2. Step 2: Convert to fraction form
    3,960,564.16/5,465,494.56 = 2,149,728.16/x
  3. Step 3: Cross multiply
    3,960,564.16x = 5,465,494.56 × 2,149,728.16
  4. Step 4: Simplify right side
    3,960,564.16x = 11,749,327,563,958.81
  5. Step 5: Solve for x
    x = 11,749,327,563,958.81/3,960,564.16
  6. Step 6: Final answer
    x = 2,966,579.28

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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.