Home / 2,158,705.86-3,237,467.67-810,764.19

Finding the Fourth Proportional to 2,158,705.86, 3,237,467.67 and 810,764.19

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Solution

The fourth proportional to 2,158,705.86, 3,237,467.67 and 810,764.19 is: 1,215,924.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,705.86 : 3,237,467.67 = 810,764.19 : x
  2. Step 2: Convert to fraction form
    2,158,705.86/3,237,467.67 = 810,764.19/x
  3. Step 3: Cross multiply
    2,158,705.86x = 3,237,467.67 × 810,764.19
  4. Step 4: Simplify right side
    2,158,705.86x = 2,624,822,853,118.74
  5. Step 5: Solve for x
    x = 2,624,822,853,118.74/2,158,705.86
  6. Step 6: Final answer
    x = 1,215,924.27

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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.