Home / 5,214,186.62-7,196,322.06-2,891,595.66

Finding the Fourth Proportional to 5,214,186.62, 7,196,322.06 and 2,891,595.66

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Solution

The fourth proportional to 5,214,186.62, 7,196,322.06 and 2,891,595.66 is: 3,990,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,186.62 : 7,196,322.06 = 2,891,595.66 : x
  2. Step 2: Convert to fraction form
    5,214,186.62/7,196,322.06 = 2,891,595.66/x
  3. Step 3: Cross multiply
    5,214,186.62x = 7,196,322.06 × 2,891,595.66
  4. Step 4: Simplify right side
    5,214,186.62x = 20,808,853,642,018.75
  5. Step 5: Solve for x
    x = 20,808,853,642,018.75/5,214,186.62
  6. Step 6: Final answer
    x = 3,990,814.89

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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.