Home / 6,147,930.80-9,221,896.20-1,888,310.90

Finding the Fourth Proportional to 6,147,930.80, 9,221,896.20 and 1,888,310.90

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Solution

The fourth proportional to 6,147,930.80, 9,221,896.20 and 1,888,310.90 is: 2,832,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147,930.80 : 9,221,896.20 = 1,888,310.90 : x
  2. Step 2: Convert to fraction form
    6,147,930.80/9,221,896.20 = 1,888,310.90/x
  3. Step 3: Cross multiply
    6,147,930.80x = 9,221,896.20 × 1,888,310.90
  4. Step 4: Simplify right side
    6,147,930.80x = 17,413,807,113,128.58
  5. Step 5: Solve for x
    x = 17,413,807,113,128.58/6,147,930.80
  6. Step 6: Final answer
    x = 2,832,466.35

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1.5x scale

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.