Home / 4,170,939.60-6,254,128.63-3,311,892.78

Finding the Fourth Proportional to 4,170,939.60, 6,254,128.63 and 3,311,892.78

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Solution

The fourth proportional to 4,170,939.60, 6,254,128.63 and 3,311,892.78 is: 4,966,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170,939.60 : 6,254,128.63 = 3,311,892.78 : x
  2. Step 2: Convert to fraction form
    4,170,939.60/6,254,128.63 = 3,311,892.78/x
  3. Step 3: Cross multiply
    4,170,939.60x = 6,254,128.63 × 3,311,892.78
  4. Step 4: Simplify right side
    4,170,939.60x = 20,713,003,454,888.29
  5. Step 5: Solve for x
    x = 20,713,003,454,888.29/4,170,939.60
  6. Step 6: Final answer
    x = 4,966,028.15

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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.