Home / 1,620,910.02-2,429,191.70-1,261,514.85

Finding the Fourth Proportional to 1,620,910.02, 2,429,191.70 and 1,261,514.85

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Solution

The fourth proportional to 1,620,910.02, 2,429,191.70 and 1,261,514.85 is: 1,890,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,910.02 : 2,429,191.70 = 1,261,514.85 : x
  2. Step 2: Convert to fraction form
    1,620,910.02/2,429,191.70 = 1,261,514.85/x
  3. Step 3: Cross multiply
    1,620,910.02x = 2,429,191.70 × 1,261,514.85
  4. Step 4: Simplify right side
    1,620,910.02x = 3,064,461,403,046.75
  5. Step 5: Solve for x
    x = 3,064,461,403,046.75/1,620,910.02
  6. Step 6: Final answer
    x = 1,890,580.83

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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.