Home / 5,213,364.49-7,820,031.09-1,322,814.11

Finding the Fourth Proportional to 5,213,364.49, 7,820,031.09 and 1,322,814.11

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Solution

The fourth proportional to 5,213,364.49, 7,820,031.09 and 1,322,814.11 is: 1,984,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,364.49 : 7,820,031.09 = 1,322,814.11 : x
  2. Step 2: Convert to fraction form
    5,213,364.49/7,820,031.09 = 1,322,814.11/x
  3. Step 3: Cross multiply
    5,213,364.49x = 7,820,031.09 × 1,322,814.11
  4. Step 4: Simplify right side
    5,213,364.49x = 10,344,447,432,351.08
  5. Step 5: Solve for x
    x = 10,344,447,432,351.08/5,213,364.49
  6. Step 6: Final answer
    x = 1,984,217.19

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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.