Home / 6,171,031.71-9,262,518.03-2,978,405.37

Finding the Fourth Proportional to 6,171,031.71, 9,262,518.03 and 2,978,405.37

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Solution

The fourth proportional to 6,171,031.71, 9,262,518.03 and 2,978,405.37 is: 4,470,489.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171,031.71 : 9,262,518.03 = 2,978,405.37 : x
  2. Step 2: Convert to fraction form
    6,171,031.71/9,262,518.03 = 2,978,405.37/x
  3. Step 3: Cross multiply
    6,171,031.71x = 9,262,518.03 × 2,978,405.37
  4. Step 4: Simplify right side
    6,171,031.71x = 27,587,533,440,273.82
  5. Step 5: Solve for x
    x = 27,587,533,440,273.82/6,171,031.71
  6. Step 6: Final answer
    x = 4,470,489.66

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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.