Home / 5,379,090.08-7,422,927.78-2,931,648.46

Finding the Fourth Proportional to 5,379,090.08, 7,422,927.78 and 2,931,648.46

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Solution

The fourth proportional to 5,379,090.08, 7,422,927.78 and 2,931,648.46 is: 4,045,556.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,090.08 : 7,422,927.78 = 2,931,648.46 : x
  2. Step 2: Convert to fraction form
    5,379,090.08/7,422,927.78 = 2,931,648.46/x
  3. Step 3: Cross multiply
    5,379,090.08x = 7,422,927.78 × 2,931,648.46
  4. Step 4: Simplify right side
    5,379,090.08x = 21,761,414,794,928.22
  5. Step 5: Solve for x
    x = 21,761,414,794,928.22/5,379,090.08
  6. Step 6: Final answer
    x = 4,045,556.86

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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.