Home / 2,590,667.80-3,886,001.70-2,049,458.20

Finding the Fourth Proportional to 2,590,667.80, 3,886,001.70 and 2,049,458.20

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Solution

The fourth proportional to 2,590,667.80, 3,886,001.70 and 2,049,458.20 is: 3,074,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,667.80 : 3,886,001.70 = 2,049,458.20 : x
  2. Step 2: Convert to fraction form
    2,590,667.80/3,886,001.70 = 2,049,458.20/x
  3. Step 3: Cross multiply
    2,590,667.80x = 3,886,001.70 × 2,049,458.20
  4. Step 4: Simplify right side
    2,590,667.80x = 7,964,198,049,278.94
  5. Step 5: Solve for x
    x = 7,964,198,049,278.94/2,590,667.80
  6. Step 6: Final answer
    x = 3,074,187.30

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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.