Home / 2,011,528.38-2,772,011.25-1,667,863.20

Finding the Fourth Proportional to 2,011,528.38, 2,772,011.25 and 1,667,863.20

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Solution

The fourth proportional to 2,011,528.38, 2,772,011.25 and 1,667,863.20 is: 2,298,419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,528.38 : 2,772,011.25 = 1,667,863.20 : x
  2. Step 2: Convert to fraction form
    2,011,528.38/2,772,011.25 = 1,667,863.20/x
  3. Step 3: Cross multiply
    2,011,528.38x = 2,772,011.25 × 1,667,863.20
  4. Step 4: Simplify right side
    2,011,528.38x = 4,623,335,553,861
  5. Step 5: Solve for x
    x = 4,623,335,553,861/2,011,528.38
  6. Step 6: Final answer
    x = 2,298,419.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.