Home / 6,498,138.87-8,964,615.60-3,918,386.46

Finding the Fourth Proportional to 6,498,138.87, 8,964,615.60 and 3,918,386.46

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Solution

The fourth proportional to 6,498,138.87, 8,964,615.60 and 3,918,386.46 is: 5,405,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,498,138.87 : 8,964,615.60 = 3,918,386.46 : x
  2. Step 2: Convert to fraction form
    6,498,138.87/8,964,615.60 = 3,918,386.46/x
  3. Step 3: Cross multiply
    6,498,138.87x = 8,964,615.60 × 3,918,386.46
  4. Step 4: Simplify right side
    6,498,138.87x = 35,126,828,386,144.77
  5. Step 5: Solve for x
    x = 35,126,828,386,144.77/6,498,138.87
  6. Step 6: Final answer
    x = 5,405,675.24

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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.