Home / 1,638,001.32-2,457,198.80-1,548,421.80

Finding the Fourth Proportional to 1,638,001.32, 2,457,198.80 and 1,548,421.80

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Solution

The fourth proportional to 1,638,001.32, 2,457,198.80 and 1,548,421.80 is: 2,322,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,001.32 : 2,457,198.80 = 1,548,421.80 : x
  2. Step 2: Convert to fraction form
    1,638,001.32/2,457,198.80 = 1,548,421.80/x
  3. Step 3: Cross multiply
    1,638,001.32x = 2,457,198.80 × 1,548,421.80
  4. Step 4: Simplify right side
    1,638,001.32x = 3,804,780,188,853.84
  5. Step 5: Solve for x
    x = 3,804,780,188,853.84/1,638,001.32
  6. Step 6: Final answer
    x = 2,322,818.76

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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.