Home / 4,428,573.30-6,642,859.95-2,189,085.30

Finding the Fourth Proportional to 4,428,573.30, 6,642,859.95 and 2,189,085.30

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Solution

The fourth proportional to 4,428,573.30, 6,642,859.95 and 2,189,085.30 is: 3,283,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,573.30 : 6,642,859.95 = 2,189,085.30 : x
  2. Step 2: Convert to fraction form
    4,428,573.30/6,642,859.95 = 2,189,085.30/x
  3. Step 3: Cross multiply
    4,428,573.30x = 6,642,859.95 × 2,189,085.30
  4. Step 4: Simplify right side
    4,428,573.30x = 14,541,787,066,503.73
  5. Step 5: Solve for x
    x = 14,541,787,066,503.73/4,428,573.30
  6. Step 6: Final answer
    x = 3,283,627.95

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Double scale
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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.