Home / 6,889,969.60-10,334,954.40-2,097,620.80

Finding the Fourth Proportional to 6,889,969.60, 10,334,954.40 and 2,097,620.80

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Solution

The fourth proportional to 6,889,969.60, 10,334,954.40 and 2,097,620.80 is: 3,146,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889,969.60 : 10,334,954.40 = 2,097,620.80 : x
  2. Step 2: Convert to fraction form
    6,889,969.60/10,334,954.40 = 2,097,620.80/x
  3. Step 3: Cross multiply
    6,889,969.60x = 10,334,954.40 × 2,097,620.80
  4. Step 4: Simplify right side
    6,889,969.60x = 21,678,815,316,491.52
  5. Step 5: Solve for x
    x = 21,678,815,316,491.52/6,889,969.60
  6. Step 6: Final answer
    x = 3,146,431.20

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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.