Home / 4,284,976.70-6,422,946.16-1,405,591.64

Finding the Fourth Proportional to 4,284,976.70, 6,422,946.16 and 1,405,591.64

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Solution

The fourth proportional to 4,284,976.70, 6,422,946.16 and 1,405,591.64 is: 2,106,905.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284,976.70 : 6,422,946.16 = 1,405,591.64 : x
  2. Step 2: Convert to fraction form
    4,284,976.70/6,422,946.16 = 1,405,591.64/x
  3. Step 3: Cross multiply
    4,284,976.70x = 6,422,946.16 × 1,405,591.64
  4. Step 4: Simplify right side
    4,284,976.70x = 9,028,039,404,337.04
  5. Step 5: Solve for x
    x = 9,028,039,404,337.04/4,284,976.70
  6. Step 6: Final answer
    x = 2,106,905.13

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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.