Home / 3,100,369.48-4,650,641.70-856,507.48

Finding the Fourth Proportional to 3,100,369.48, 4,650,641.70 and 856,507.48

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Solution

The fourth proportional to 3,100,369.48, 4,650,641.70 and 856,507.48 is: 1,284,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,369.48 : 4,650,641.70 = 856,507.48 : x
  2. Step 2: Convert to fraction form
    3,100,369.48/4,650,641.70 = 856,507.48/x
  3. Step 3: Cross multiply
    3,100,369.48x = 4,650,641.70 × 856,507.48
  4. Step 4: Simplify right side
    3,100,369.48x = 3,983,309,402,849.92
  5. Step 5: Solve for x
    x = 3,983,309,402,849.92/3,100,369.48
  6. Step 6: Final answer
    x = 1,284,785.39

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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.