Home / 2,593,778.16-3,891,192.12-911,012.88

Finding the Fourth Proportional to 2,593,778.16, 3,891,192.12 and 911,012.88

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Solution

The fourth proportional to 2,593,778.16, 3,891,192.12 and 911,012.88 is: 1,366,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,593,778.16 : 3,891,192.12 = 911,012.88 : x
  2. Step 2: Convert to fraction form
    2,593,778.16/3,891,192.12 = 911,012.88/x
  3. Step 3: Cross multiply
    2,593,778.16x = 3,891,192.12 × 911,012.88
  4. Step 4: Simplify right side
    2,593,778.16x = 3,544,926,139,874.51
  5. Step 5: Solve for x
    x = 3,544,926,139,874.51/2,593,778.16
  6. Step 6: Final answer
    x = 1,366,703.67

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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.