Home / 4,892,643.80-7,338,965.70-3,884,874.20

Finding the Fourth Proportional to 4,892,643.80, 7,338,965.70 and 3,884,874.20

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Solution

The fourth proportional to 4,892,643.80, 7,338,965.70 and 3,884,874.20 is: 5,827,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892,643.80 : 7,338,965.70 = 3,884,874.20 : x
  2. Step 2: Convert to fraction form
    4,892,643.80/7,338,965.70 = 3,884,874.20/x
  3. Step 3: Cross multiply
    4,892,643.80x = 7,338,965.70 × 3,884,874.20
  4. Step 4: Simplify right side
    4,892,643.80x = 28,510,958,502,614.94
  5. Step 5: Solve for x
    x = 28,510,958,502,614.94/4,892,643.80
  6. Step 6: Final answer
    x = 5,827,311.30

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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.