Home / 2,048,138.60-3,074,540.70-1,207,164.20

Finding the Fourth Proportional to 2,048,138.60, 3,074,540.70 and 1,207,164.20

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Solution

The fourth proportional to 2,048,138.60, 3,074,540.70 and 1,207,164.20 is: 1,812,121.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048,138.60 : 3,074,540.70 = 1,207,164.20 : x
  2. Step 2: Convert to fraction form
    2,048,138.60/3,074,540.70 = 1,207,164.20/x
  3. Step 3: Cross multiply
    2,048,138.60x = 3,074,540.70 × 1,207,164.20
  4. Step 4: Simplify right side
    2,048,138.60x = 3,711,475,464,482.94
  5. Step 5: Solve for x
    x = 3,711,475,464,482.94/2,048,138.60
  6. Step 6: Final answer
    x = 1,812,121.24

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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.