Home / 4,877,285.58-6,729,279.80-2,812,138.83

Finding the Fourth Proportional to 4,877,285.58, 6,729,279.80 and 2,812,138.83

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Solution

The fourth proportional to 4,877,285.58, 6,729,279.80 and 2,812,138.83 is: 3,879,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877,285.58 : 6,729,279.80 = 2,812,138.83 : x
  2. Step 2: Convert to fraction form
    4,877,285.58/6,729,279.80 = 2,812,138.83/x
  3. Step 3: Cross multiply
    4,877,285.58x = 6,729,279.80 × 2,812,138.83
  4. Step 4: Simplify right side
    4,877,285.58x = 18,923,669,009,453.94
  5. Step 5: Solve for x
    x = 18,923,669,009,453.94/4,877,285.58
  6. Step 6: Final answer
    x = 3,879,959.19

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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.