Home / 3,422,820.72-4,723,460.28-1,971,983.28

Finding the Fourth Proportional to 3,422,820.72, 4,723,460.28 and 1,971,983.28

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Solution

The fourth proportional to 3,422,820.72, 4,723,460.28 and 1,971,983.28 is: 2,721,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,820.72 : 4,723,460.28 = 1,971,983.28 : x
  2. Step 2: Convert to fraction form
    3,422,820.72/4,723,460.28 = 1,971,983.28/x
  3. Step 3: Cross multiply
    3,422,820.72x = 4,723,460.28 × 1,971,983.28
  4. Step 4: Simplify right side
    3,422,820.72x = 9,314,584,695,904.12
  5. Step 5: Solve for x
    x = 9,314,584,695,904.12/3,422,820.72
  6. Step 6: Final answer
    x = 2,721,318.31

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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.