Home / 2,176,164.70-3,264,247.05-1,645,323.10

Finding the Fourth Proportional to 2,176,164.70, 3,264,247.05 and 1,645,323.10

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Solution

The fourth proportional to 2,176,164.70, 3,264,247.05 and 1,645,323.10 is: 2,467,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,164.70 : 3,264,247.05 = 1,645,323.10 : x
  2. Step 2: Convert to fraction form
    2,176,164.70/3,264,247.05 = 1,645,323.10/x
  3. Step 3: Cross multiply
    2,176,164.70x = 3,264,247.05 × 1,645,323.10
  4. Step 4: Simplify right side
    2,176,164.70x = 5,370,741,075,471.86
  5. Step 5: Solve for x
    x = 5,370,741,075,471.86/2,176,164.70
  6. Step 6: Final answer
    x = 2,467,984.65

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Double scale
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Similar ratio
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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.