Home / 1,840,247.78-2,541,667.46-1,227,335.54

Finding the Fourth Proportional to 1,840,247.78, 2,541,667.46 and 1,227,335.54

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Solution

The fourth proportional to 1,840,247.78, 2,541,667.46 and 1,227,335.54 is: 1,695,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,247.78 : 2,541,667.46 = 1,227,335.54 : x
  2. Step 2: Convert to fraction form
    1,840,247.78/2,541,667.46 = 1,227,335.54/x
  3. Step 3: Cross multiply
    1,840,247.78x = 2,541,667.46 × 1,227,335.54
  4. Step 4: Simplify right side
    1,840,247.78x = 3,119,478,785,674.51
  5. Step 5: Solve for x
    x = 3,119,478,785,674.51/1,840,247.78
  6. Step 6: Final answer
    x = 1,695,140.64

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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.