Home / 3,819,279.86-5,270,501.09-2,100,400.35

Finding the Fourth Proportional to 3,819,279.86, 5,270,501.09 and 2,100,400.35

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Solution

The fourth proportional to 3,819,279.86, 5,270,501.09 and 2,100,400.35 is: 2,898,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,279.86 : 5,270,501.09 = 2,100,400.35 : x
  2. Step 2: Convert to fraction form
    3,819,279.86/5,270,501.09 = 2,100,400.35/x
  3. Step 3: Cross multiply
    3,819,279.86x = 5,270,501.09 × 2,100,400.35
  4. Step 4: Simplify right side
    3,819,279.86x = 11,070,162,323,609.38
  5. Step 5: Solve for x
    x = 11,070,162,323,609.38/3,819,279.86
  6. Step 6: Final answer
    x = 2,898,494.68

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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.