Home / 2,611,919.40-3,916,519.74-928,778.28

Finding the Fourth Proportional to 2,611,919.40, 3,916,519.74 and 928,778.28

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Solution

The fourth proportional to 2,611,919.40, 3,916,519.74 and 928,778.28 is: 1,392,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611,919.40 : 3,916,519.74 = 928,778.28 : x
  2. Step 2: Convert to fraction form
    2,611,919.40/3,916,519.74 = 928,778.28/x
  3. Step 3: Cross multiply
    2,611,919.40x = 3,916,519.74 × 928,778.28
  4. Step 4: Simplify right side
    2,611,919.40x = 3,637,578,467,703.25
  5. Step 5: Solve for x
    x = 3,637,578,467,703.25/2,611,919.40
  6. Step 6: Final answer
    x = 1,392,684.04

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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.