Home / 3,638,864.76-5,021,544.69-2,007,236.40

Finding the Fourth Proportional to 3,638,864.76, 5,021,544.69 and 2,007,236.40

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Solution

The fourth proportional to 3,638,864.76, 5,021,544.69 and 2,007,236.40 is: 2,769,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,864.76 : 5,021,544.69 = 2,007,236.40 : x
  2. Step 2: Convert to fraction form
    3,638,864.76/5,021,544.69 = 2,007,236.40/x
  3. Step 3: Cross multiply
    3,638,864.76x = 5,021,544.69 × 2,007,236.40
  4. Step 4: Simplify right side
    3,638,864.76x = 10,079,427,285,994.72
  5. Step 5: Solve for x
    x = 10,079,427,285,994.72/3,638,864.76
  6. Step 6: Final answer
    x = 2,769,937.32

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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.