Home / 2,788,313.80-4,182,470.70-2,079,725.80

Finding the Fourth Proportional to 2,788,313.80, 4,182,470.70 and 2,079,725.80

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Solution

The fourth proportional to 2,788,313.80, 4,182,470.70 and 2,079,725.80 is: 3,119,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,313.80 : 4,182,470.70 = 2,079,725.80 : x
  2. Step 2: Convert to fraction form
    2,788,313.80/4,182,470.70 = 2,079,725.80/x
  3. Step 3: Cross multiply
    2,788,313.80x = 4,182,470.70 × 2,079,725.80
  4. Step 4: Simplify right side
    2,788,313.80x = 8,698,392,222,534.06
  5. Step 5: Solve for x
    x = 8,698,392,222,534.06/2,788,313.80
  6. Step 6: Final answer
    x = 3,119,588.70

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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.