Home / 3,129,623.19-4,693,879.87-1,423,366.83

Finding the Fourth Proportional to 3,129,623.19, 4,693,879.87 and 1,423,366.83

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Solution

The fourth proportional to 3,129,623.19, 4,693,879.87 and 1,423,366.83 is: 2,134,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,623.19 : 4,693,879.87 = 1,423,366.83 : x
  2. Step 2: Convert to fraction form
    3,129,623.19/4,693,879.87 = 1,423,366.83/x
  3. Step 3: Cross multiply
    3,129,623.19x = 4,693,879.87 × 1,423,366.83
  4. Step 4: Simplify right side
    3,129,623.19x = 6,681,112,907,404.30
  5. Step 5: Solve for x
    x = 6,681,112,907,404.30/3,129,623.19
  6. Step 6: Final answer
    x = 2,134,797.87

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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.