Home / 2,685,365.40-3,707,139.78-1,768,186.20

Finding the Fourth Proportional to 2,685,365.40, 3,707,139.78 and 1,768,186.20

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Solution

The fourth proportional to 2,685,365.40, 3,707,139.78 and 1,768,186.20 is: 2,440,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,365.40 : 3,707,139.78 = 1,768,186.20 : x
  2. Step 2: Convert to fraction form
    2,685,365.40/3,707,139.78 = 1,768,186.20/x
  3. Step 3: Cross multiply
    2,685,365.40x = 3,707,139.78 × 1,768,186.20
  4. Step 4: Simplify right side
    2,685,365.40x = 6,554,913,400,467.04
  5. Step 5: Solve for x
    x = 6,554,913,400,467.04/2,685,365.40
  6. Step 6: Final answer
    x = 2,440,976.34

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.