Home / 2,330,051.75-3,213,815.03-1,555,291.95

Finding the Fourth Proportional to 2,330,051.75, 3,213,815.03 and 1,555,291.95

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Solution

The fourth proportional to 2,330,051.75, 3,213,815.03 and 1,555,291.95 is: 2,145,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330,051.75 : 3,213,815.03 = 1,555,291.95 : x
  2. Step 2: Convert to fraction form
    2,330,051.75/3,213,815.03 = 1,555,291.95/x
  3. Step 3: Cross multiply
    2,330,051.75x = 3,213,815.03 × 1,555,291.95
  4. Step 4: Simplify right side
    2,330,051.75x = 4,998,420,637,171.55
  5. Step 5: Solve for x
    x = 4,998,420,637,171.55/2,330,051.75
  6. Step 6: Final answer
    x = 2,145,197.27

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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.