Home / 5,753,320.56-7,939,772.64-3,139,967.28

Finding the Fourth Proportional to 5,753,320.56, 7,939,772.64 and 3,139,967.28

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Solution

The fourth proportional to 5,753,320.56, 7,939,772.64 and 3,139,967.28 is: 4,333,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753,320.56 : 7,939,772.64 = 3,139,967.28 : x
  2. Step 2: Convert to fraction form
    5,753,320.56/7,939,772.64 = 3,139,967.28/x
  3. Step 3: Cross multiply
    5,753,320.56x = 7,939,772.64 × 3,139,967.28
  4. Step 4: Simplify right side
    5,753,320.56x = 24,930,626,300,239.21
  5. Step 5: Solve for x
    x = 24,930,626,300,239.21/5,753,320.56
  6. Step 6: Final answer
    x = 4,333,258.69

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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.