Home / 3,949,911.63-5,926,343.67-1,555,425.45

Finding the Fourth Proportional to 3,949,911.63, 5,926,343.67 and 1,555,425.45

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Solution

The fourth proportional to 3,949,911.63, 5,926,343.67 and 1,555,425.45 is: 2,333,719.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,911.63 : 5,926,343.67 = 1,555,425.45 : x
  2. Step 2: Convert to fraction form
    3,949,911.63/5,926,343.67 = 1,555,425.45/x
  3. Step 3: Cross multiply
    3,949,911.63x = 5,926,343.67 × 1,555,425.45
  4. Step 4: Simplify right side
    3,949,911.63x = 9,217,985,769,764.40
  5. Step 5: Solve for x
    x = 9,217,985,769,764.40/3,949,911.63
  6. Step 6: Final answer
    x = 2,333,719.49

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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.