Home / 6,278,032.20-9,417,048.30-3,085,206.60

Finding the Fourth Proportional to 6,278,032.20, 9,417,048.30 and 3,085,206.60

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Solution

The fourth proportional to 6,278,032.20, 9,417,048.30 and 3,085,206.60 is: 4,627,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278,032.20 : 9,417,048.30 = 3,085,206.60 : x
  2. Step 2: Convert to fraction form
    6,278,032.20/9,417,048.30 = 3,085,206.60/x
  3. Step 3: Cross multiply
    6,278,032.20x = 9,417,048.30 × 3,085,206.60
  4. Step 4: Simplify right side
    6,278,032.20x = 29,053,539,567,678.78
  5. Step 5: Solve for x
    x = 29,053,539,567,678.78/6,278,032.20
  6. Step 6: Final answer
    x = 4,627,809.90

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Similar ratio
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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.