Home / 6,646,859.20-9,969,770.40-2,602,561.60

Finding the Fourth Proportional to 6,646,859.20, 9,969,770.40 and 2,602,561.60

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Solution

The fourth proportional to 6,646,859.20, 9,969,770.40 and 2,602,561.60 is: 3,903,639.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646,859.20 : 9,969,770.40 = 2,602,561.60 : x
  2. Step 2: Convert to fraction form
    6,646,859.20/9,969,770.40 = 2,602,561.60/x
  3. Step 3: Cross multiply
    6,646,859.20x = 9,969,770.40 × 2,602,561.60
  4. Step 4: Simplify right side
    6,646,859.20x = 25,946,941,603,856.64
  5. Step 5: Solve for x
    x = 25,946,941,603,856.64/6,646,859.20
  6. Step 6: Final answer
    x = 3,903,639.42

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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.