Home / 2,015,163.69-2,777,987.91-1,530,888.18

Finding the Fourth Proportional to 2,015,163.69, 2,777,987.91 and 1,530,888.18

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Solution

The fourth proportional to 2,015,163.69, 2,777,987.91 and 1,530,888.18 is: 2,110,393.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,163.69 : 2,777,987.91 = 1,530,888.18 : x
  2. Step 2: Convert to fraction form
    2,015,163.69/2,777,987.91 = 1,530,888.18/x
  3. Step 3: Cross multiply
    2,015,163.69x = 2,777,987.91 × 1,530,888.18
  4. Step 4: Simplify right side
    2,015,163.69x = 4,252,788,855,601.90
  5. Step 5: Solve for x
    x = 4,252,788,855,601.90/2,015,163.69
  6. Step 6: Final answer
    x = 2,110,393.75

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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.