Home / 3,400,330.11-4,692,098.80-1,929,770.36

Finding the Fourth Proportional to 3,400,330.11, 4,692,098.80 and 1,929,770.36

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Solution

The fourth proportional to 3,400,330.11, 4,692,098.80 and 1,929,770.36 is: 2,662,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400,330.11 : 4,692,098.80 = 1,929,770.36 : x
  2. Step 2: Convert to fraction form
    3,400,330.11/4,692,098.80 = 1,929,770.36/x
  3. Step 3: Cross multiply
    3,400,330.11x = 4,692,098.80 × 1,929,770.36
  4. Step 4: Simplify right side
    3,400,330.11x = 9,054,673,190,431.57
  5. Step 5: Solve for x
    x = 9,054,673,190,431.57/3,400,330.11
  6. Step 6: Final answer
    x = 2,662,880.63

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1.5x scale

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.