Home / 3,975,518.08-5,486,191.68-2,164,677.76

Finding the Fourth Proportional to 3,975,518.08, 5,486,191.68 and 2,164,677.76

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Solution

The fourth proportional to 3,975,518.08, 5,486,191.68 and 2,164,677.76 is: 2,987,242.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975,518.08 : 5,486,191.68 = 2,164,677.76 : x
  2. Step 2: Convert to fraction form
    3,975,518.08/5,486,191.68 = 2,164,677.76/x
  3. Step 3: Cross multiply
    3,975,518.08x = 5,486,191.68 × 2,164,677.76
  4. Step 4: Simplify right side
    3,975,518.08x = 11,875,837,116,793.04
  5. Step 5: Solve for x
    x = 11,875,837,116,793.04/3,975,518.08
  6. Step 6: Final answer
    x = 2,987,242.64

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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.