Home / 6,889,976.60-10,334,964.90-2,097,627.80

Finding the Fourth Proportional to 6,889,976.60, 10,334,964.90 and 2,097,627.80

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Solution

The fourth proportional to 6,889,976.60, 10,334,964.90 and 2,097,627.80 is: 3,146,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889,976.60 : 10,334,964.90 = 2,097,627.80 : x
  2. Step 2: Convert to fraction form
    6,889,976.60/10,334,964.90 = 2,097,627.80/x
  3. Step 3: Cross multiply
    6,889,976.60x = 10,334,964.90 × 2,097,627.80
  4. Step 4: Simplify right side
    6,889,976.60x = 21,678,909,686,264.22
  5. Step 5: Solve for x
    x = 21,678,909,686,264.22/6,889,976.60
  6. Step 6: Final answer
    x = 3,146,441.70

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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.