Home / 2,768,086.80-4,152,130.20-1,699,664.40

Finding the Fourth Proportional to 2,768,086.80, 4,152,130.20 and 1,699,664.40

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Solution

The fourth proportional to 2,768,086.80, 4,152,130.20 and 1,699,664.40 is: 2,549,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,086.80 : 4,152,130.20 = 1,699,664.40 : x
  2. Step 2: Convert to fraction form
    2,768,086.80/4,152,130.20 = 1,699,664.40/x
  3. Step 3: Cross multiply
    2,768,086.80x = 4,152,130.20 × 1,699,664.40
  4. Step 4: Simplify right side
    2,768,086.80x = 7,057,227,885,104.88
  5. Step 5: Solve for x
    x = 7,057,227,885,104.88/2,768,086.80
  6. Step 6: Final answer
    x = 2,549,496.60

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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.