Home / 3,119,131.40-4,670,823.90-2,048,376.20

Finding the Fourth Proportional to 3,119,131.40, 4,670,823.90 and 2,048,376.20

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Solution

The fourth proportional to 3,119,131.40, 4,670,823.90 and 2,048,376.20 is: 3,067,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,131.40 : 4,670,823.90 = 2,048,376.20 : x
  2. Step 2: Convert to fraction form
    3,119,131.40/4,670,823.90 = 2,048,376.20/x
  3. Step 3: Cross multiply
    3,119,131.40x = 4,670,823.90 × 2,048,376.20
  4. Step 4: Simplify right side
    3,119,131.40x = 9,567,604,511,151.18
  5. Step 5: Solve for x
    x = 9,567,604,511,151.18/3,119,131.40
  6. Step 6: Final answer
    x = 3,067,393.86

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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.