Home / 3,061,005.65-4,224,217.77-1,684,378.98

Finding the Fourth Proportional to 3,061,005.65, 4,224,217.77 and 1,684,378.98

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Solution

The fourth proportional to 3,061,005.65, 4,224,217.77 and 1,684,378.98 is: 2,324,459.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061,005.65 : 4,224,217.77 = 1,684,378.98 : x
  2. Step 2: Convert to fraction form
    3,061,005.65/4,224,217.77 = 1,684,378.98/x
  3. Step 3: Cross multiply
    3,061,005.65x = 4,224,217.77 × 1,684,378.98
  4. Step 4: Simplify right side
    3,061,005.65x = 7,115,183,618,730.47
  5. Step 5: Solve for x
    x = 7,115,183,618,730.47/3,061,005.65
  6. Step 6: Final answer
    x = 2,324,459.49

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1.5x scale

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.