Home / 3,840,403.87-5,299,909.41-2,208,809.23

Finding the Fourth Proportional to 3,840,403.87, 5,299,909.41 and 2,208,809.23

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Solution

The fourth proportional to 3,840,403.87, 5,299,909.41 and 2,208,809.23 is: 3,048,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,403.87 : 5,299,909.41 = 2,208,809.23 : x
  2. Step 2: Convert to fraction form
    3,840,403.87/5,299,909.41 = 2,208,809.23/x
  3. Step 3: Cross multiply
    3,840,403.87x = 5,299,909.41 × 2,208,809.23
  4. Step 4: Simplify right side
    3,840,403.87x = 11,706,488,822,971.86
  5. Step 5: Solve for x
    x = 11,706,488,822,971.86/3,840,403.87
  6. Step 6: Final answer
    x = 3,048,244.20

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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.