Home / 5,739,059.78-7,920,260.54-3,160,739.87

Finding the Fourth Proportional to 5,739,059.78, 7,920,260.54 and 3,160,739.87

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Solution

The fourth proportional to 5,739,059.78, 7,920,260.54 and 3,160,739.87 is: 4,362,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739,059.78 : 7,920,260.54 = 3,160,739.87 : x
  2. Step 2: Convert to fraction form
    5,739,059.78/7,920,260.54 = 3,160,739.87/x
  3. Step 3: Cross multiply
    5,739,059.78x = 7,920,260.54 × 3,160,739.87
  4. Step 4: Simplify right side
    5,739,059.78x = 25,033,883,214,160.73
  5. Step 5: Solve for x
    x = 25,033,883,214,160.73/5,739,059.78
  6. Step 6: Final answer
    x = 4,362,018.20

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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.