Home / 4,890,466.40-7,336,736.40-1,478,472.80

Finding the Fourth Proportional to 4,890,466.40, 7,336,736.40 and 1,478,472.80

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Solution

The fourth proportional to 4,890,466.40, 7,336,736.40 and 1,478,472.80 is: 2,218,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,466.40 : 7,336,736.40 = 1,478,472.80 : x
  2. Step 2: Convert to fraction form
    4,890,466.40/7,336,736.40 = 1,478,472.80/x
  3. Step 3: Cross multiply
    4,890,466.40x = 7,336,736.40 × 1,478,472.80
  4. Step 4: Simplify right side
    4,890,466.40x = 10,847,165,208,169.92
  5. Step 5: Solve for x
    x = 10,847,165,208,169.92/4,890,466.40
  6. Step 6: Final answer
    x = 2,218,022.64

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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.