Home / 1,638,002.31-2,457,200.30-1,548,422.79

Finding the Fourth Proportional to 1,638,002.31, 2,457,200.30 and 1,548,422.79

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Solution

The fourth proportional to 1,638,002.31, 2,457,200.30 and 1,548,422.79 is: 2,322,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,002.31 : 2,457,200.30 = 1,548,422.79 : x
  2. Step 2: Convert to fraction form
    1,638,002.31/2,457,200.30 = 1,548,422.79/x
  3. Step 3: Cross multiply
    1,638,002.31x = 2,457,200.30 × 1,548,422.79
  4. Step 4: Simplify right side
    1,638,002.31x = 3,804,784,936,372.72
  5. Step 5: Solve for x
    x = 3,804,784,936,372.72/1,638,002.31
  6. Step 6: Final answer
    x = 2,322,820.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.