Home / 3,520,420.96-4,858,938.89-2,144,218.41

Finding the Fourth Proportional to 3,520,420.96, 4,858,938.89 and 2,144,218.41

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Solution

The fourth proportional to 3,520,420.96, 4,858,938.89 and 2,144,218.41 is: 2,959,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,420.96 : 4,858,938.89 = 2,144,218.41 : x
  2. Step 2: Convert to fraction form
    3,520,420.96/4,858,938.89 = 2,144,218.41/x
  3. Step 3: Cross multiply
    3,520,420.96x = 4,858,938.89 × 2,144,218.41
  4. Step 4: Simplify right side
    3,520,420.96x = 10,418,626,221,002.96
  5. Step 5: Solve for x
    x = 10,418,626,221,002.96/3,520,420.96
  6. Step 6: Final answer
    x = 2,959,483.07

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Double scale
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1.5x scale

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.