Home / 4,830,245.40-7,245,368.10-3,129,634.20

Finding the Fourth Proportional to 4,830,245.40, 7,245,368.10 and 3,129,634.20

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Solution

The fourth proportional to 4,830,245.40, 7,245,368.10 and 3,129,634.20 is: 4,694,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830,245.40 : 7,245,368.10 = 3,129,634.20 : x
  2. Step 2: Convert to fraction form
    4,830,245.40/7,245,368.10 = 3,129,634.20/x
  3. Step 3: Cross multiply
    4,830,245.40x = 7,245,368.10 × 3,129,634.20
  4. Step 4: Simplify right side
    4,830,245.40x = 22,675,351,797,349.02
  5. Step 5: Solve for x
    x = 22,675,351,797,349.02/4,830,245.40
  6. Step 6: Final answer
    x = 4,694,451.30

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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.