Home / 1,886,157.54-2,827,649.30-820,396.89

Finding the Fourth Proportional to 1,886,157.54, 2,827,649.30 and 820,396.89

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Solution

The fourth proportional to 1,886,157.54, 2,827,649.30 and 820,396.89 is: 1,229,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,157.54 : 2,827,649.30 = 820,396.89 : x
  2. Step 2: Convert to fraction form
    1,886,157.54/2,827,649.30 = 820,396.89/x
  3. Step 3: Cross multiply
    1,886,157.54x = 2,827,649.30 × 820,396.89
  4. Step 4: Simplify right side
    1,886,157.54x = 2,319,794,687,628.69
  5. Step 5: Solve for x
    x = 2,319,794,687,628.69/1,886,157.54
  6. Step 6: Final answer
    x = 1,229,905.05

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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.