Home / 2,561,421.76-3,534,835.21-1,399,932.50

Finding the Fourth Proportional to 2,561,421.76, 3,534,835.21 and 1,399,932.50

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Solution

The fourth proportional to 2,561,421.76, 3,534,835.21 and 1,399,932.50 is: 1,931,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,421.76 : 3,534,835.21 = 1,399,932.50 : x
  2. Step 2: Convert to fraction form
    2,561,421.76/3,534,835.21 = 1,399,932.50/x
  3. Step 3: Cross multiply
    2,561,421.76x = 3,534,835.21 × 1,399,932.50
  4. Step 4: Simplify right side
    2,561,421.76x = 4,948,530,671,449.32
  5. Step 5: Solve for x
    x = 4,948,530,671,449.32/2,561,421.76
  6. Step 6: Final answer
    x = 1,931,946.84

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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.