Home / 5,105,444.28-7,045,383.29-2,782,396.55

Finding the Fourth Proportional to 5,105,444.28, 7,045,383.29 and 2,782,396.55

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Solution

The fourth proportional to 5,105,444.28, 7,045,383.29 and 2,782,396.55 is: 3,839,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,444.28 : 7,045,383.29 = 2,782,396.55 : x
  2. Step 2: Convert to fraction form
    5,105,444.28/7,045,383.29 = 2,782,396.55/x
  3. Step 3: Cross multiply
    5,105,444.28x = 7,045,383.29 × 2,782,396.55
  4. Step 4: Simplify right side
    5,105,444.28x = 19,603,050,110,384.75
  5. Step 5: Solve for x
    x = 19,603,050,110,384.75/5,105,444.28
  6. Step 6: Final answer
    x = 3,839,636.48

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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.