Home / 2,379,872.39-3,286,927.95-1,604,165.36

Finding the Fourth Proportional to 2,379,872.39, 3,286,927.95 and 1,604,165.36

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Solution

The fourth proportional to 2,379,872.39, 3,286,927.95 and 1,604,165.36 is: 2,215,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,872.39 : 3,286,927.95 = 1,604,165.36 : x
  2. Step 2: Convert to fraction form
    2,379,872.39/3,286,927.95 = 1,604,165.36/x
  3. Step 3: Cross multiply
    2,379,872.39x = 3,286,927.95 × 1,604,165.36
  4. Step 4: Simplify right side
    2,379,872.39x = 5,272,775,933,750.35
  5. Step 5: Solve for x
    x = 5,272,775,933,750.35/2,379,872.39
  6. Step 6: Final answer
    x = 2,215,570.87

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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.