Home / 2,567,458.20-3,543,203.01-1,421,538.55

Finding the Fourth Proportional to 2,567,458.20, 3,543,203.01 and 1,421,538.55

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Solution

The fourth proportional to 2,567,458.20, 3,543,203.01 and 1,421,538.55 is: 1,961,784.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567,458.20 : 3,543,203.01 = 1,421,538.55 : x
  2. Step 2: Convert to fraction form
    2,567,458.20/3,543,203.01 = 1,421,538.55/x
  3. Step 3: Cross multiply
    2,567,458.20x = 3,543,203.01 × 1,421,538.55
  4. Step 4: Simplify right side
    2,567,458.20x = 5,036,799,665,663.80
  5. Step 5: Solve for x
    x = 5,036,799,665,663.80/2,567,458.20
  6. Step 6: Final answer
    x = 1,961,784.48

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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.