Home / 2,913,900.30-4,370,850.45-2,120,748.30

Finding the Fourth Proportional to 2,913,900.30, 4,370,850.45 and 2,120,748.30

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Solution

The fourth proportional to 2,913,900.30, 4,370,850.45 and 2,120,748.30 is: 3,181,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,900.30 : 4,370,850.45 = 2,120,748.30 : x
  2. Step 2: Convert to fraction form
    2,913,900.30/4,370,850.45 = 2,120,748.30/x
  3. Step 3: Cross multiply
    2,913,900.30x = 4,370,850.45 × 2,120,748.30
  4. Step 4: Simplify right side
    2,913,900.30x = 9,269,473,661,391.74
  5. Step 5: Solve for x
    x = 9,269,473,661,391.74/2,913,900.30
  6. Step 6: Final answer
    x = 3,181,122.45

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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.