Home / 3,765,986.60-5,648,720.70-1,207,164.20

Finding the Fourth Proportional to 3,765,986.60, 5,648,720.70 and 1,207,164.20

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Solution

The fourth proportional to 3,765,986.60, 5,648,720.70 and 1,207,164.20 is: 1,810,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765,986.60 : 5,648,720.70 = 1,207,164.20 : x
  2. Step 2: Convert to fraction form
    3,765,986.60/5,648,720.70 = 1,207,164.20/x
  3. Step 3: Cross multiply
    3,765,986.60x = 5,648,720.70 × 1,207,164.20
  4. Step 4: Simplify right side
    3,765,986.60x = 6,818,933,404,838.94
  5. Step 5: Solve for x
    x = 6,818,933,404,838.94/3,765,986.60
  6. Step 6: Final answer
    x = 1,810,663.22

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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.