Home / 2,330,056.21-3,213,821.19-1,555,296.43

Finding the Fourth Proportional to 2,330,056.21, 3,213,821.19 and 1,555,296.43

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Solution

The fourth proportional to 2,330,056.21, 3,213,821.19 and 1,555,296.43 is: 2,145,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330,056.21 : 3,213,821.19 = 1,555,296.43 : x
  2. Step 2: Convert to fraction form
    2,330,056.21/3,213,821.19 = 1,555,296.43/x
  3. Step 3: Cross multiply
    2,330,056.21x = 3,213,821.19 × 1,555,296.43
  4. Step 4: Simplify right side
    2,330,056.21x = 4,998,444,623,465.35
  5. Step 5: Solve for x
    x = 4,998,444,623,465.35/2,330,056.21
  6. Step 6: Final answer
    x = 2,145,203.45

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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.