Home / 3,676,286.70-5,514,430.05-2,660,643.90

Finding the Fourth Proportional to 3,676,286.70, 5,514,430.05 and 2,660,643.90

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Solution

The fourth proportional to 3,676,286.70, 5,514,430.05 and 2,660,643.90 is: 3,990,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676,286.70 : 5,514,430.05 = 2,660,643.90 : x
  2. Step 2: Convert to fraction form
    3,676,286.70/5,514,430.05 = 2,660,643.90/x
  3. Step 3: Cross multiply
    3,676,286.70x = 5,514,430.05 × 2,660,643.90
  4. Step 4: Simplify right side
    3,676,286.70x = 14,671,934,674,509.19
  5. Step 5: Solve for x
    x = 14,671,934,674,509.19/3,676,286.70
  6. Step 6: Final answer
    x = 3,990,965.85

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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.