Home / 2,158,712.86-3,237,478.14-810,771.22

Finding the Fourth Proportional to 2,158,712.86, 3,237,478.14 and 810,771.22

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Solution

The fourth proportional to 2,158,712.86, 3,237,478.14 and 810,771.22 is: 1,215,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,712.86 : 3,237,478.14 = 810,771.22 : x
  2. Step 2: Convert to fraction form
    2,158,712.86/3,237,478.14 = 810,771.22/x
  3. Step 3: Cross multiply
    2,158,712.86x = 3,237,478.14 × 810,771.22
  4. Step 4: Simplify right side
    2,158,712.86x = 2,624,854,101,291.13
  5. Step 5: Solve for x
    x = 2,624,854,101,291.13/2,158,712.86
  6. Step 6: Final answer
    x = 1,215,934.81

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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.