Home / 2,809,486.43-3,877,101.50-1,520,326.70

Finding the Fourth Proportional to 2,809,486.43, 3,877,101.50 and 1,520,326.70

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Solution

The fourth proportional to 2,809,486.43, 3,877,101.50 and 1,520,326.70 is: 2,098,056.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,486.43 : 3,877,101.50 = 1,520,326.70 : x
  2. Step 2: Convert to fraction form
    2,809,486.43/3,877,101.50 = 1,520,326.70/x
  3. Step 3: Cross multiply
    2,809,486.43x = 3,877,101.50 × 1,520,326.70
  4. Step 4: Simplify right side
    2,809,486.43x = 5,894,460,902,072.91
  5. Step 5: Solve for x
    x = 5,894,460,902,072.91/2,809,486.43
  6. Step 6: Final answer
    x = 2,098,056.37

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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.