Home / 3,021,901.78-4,170,098.50-1,663,687.30

Finding the Fourth Proportional to 3,021,901.78, 4,170,098.50 and 1,663,687.30

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Solution

The fourth proportional to 3,021,901.78, 4,170,098.50 and 1,663,687.30 is: 2,295,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021,901.78 : 4,170,098.50 = 1,663,687.30 : x
  2. Step 2: Convert to fraction form
    3,021,901.78/4,170,098.50 = 1,663,687.30/x
  3. Step 3: Cross multiply
    3,021,901.78x = 4,170,098.50 × 1,663,687.30
  4. Step 4: Simplify right side
    3,021,901.78x = 6,937,739,914,199.05
  5. Step 5: Solve for x
    x = 6,937,739,914,199.05/3,021,901.78
  6. Step 6: Final answer
    x = 2,295,819.13

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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.