Home / 2,097,680.40-3,147,298.20-2,019,920.40

Finding the Fourth Proportional to 2,097,680.40, 3,147,298.20 and 2,019,920.40

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Solution

The fourth proportional to 2,097,680.40, 3,147,298.20 and 2,019,920.40 is: 3,030,629.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097,680.40 : 3,147,298.20 = 2,019,920.40 : x
  2. Step 2: Convert to fraction form
    2,097,680.40/3,147,298.20 = 2,019,920.40/x
  3. Step 3: Cross multiply
    2,097,680.40x = 3,147,298.20 × 2,019,920.40
  4. Step 4: Simplify right side
    2,097,680.40x = 6,357,291,839,063.28
  5. Step 5: Solve for x
    x = 6,357,291,839,063.28/2,097,680.40
  6. Step 6: Final answer
    x = 3,030,629.37

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Double scale
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Similar ratio
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1.5x scale

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.