Home / 3,119,288.70-4,678,276.95-1,322,230.80

Finding the Fourth Proportional to 3,119,288.70, 4,678,276.95 and 1,322,230.80

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Solution

The fourth proportional to 3,119,288.70, 4,678,276.95 and 1,322,230.80 is: 1,983,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,288.70 : 4,678,276.95 = 1,322,230.80 : x
  2. Step 2: Convert to fraction form
    3,119,288.70/4,678,276.95 = 1,322,230.80/x
  3. Step 3: Cross multiply
    3,119,288.70x = 4,678,276.95 × 1,322,230.80
  4. Step 4: Simplify right side
    3,119,288.70x = 6,185,761,874,220.06
  5. Step 5: Solve for x
    x = 6,185,761,874,220.06/3,119,288.70
  6. Step 6: Final answer
    x = 1,983,068.09

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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.