Home / 1,786,998.70-2,680,498.05-1,482,568.30

Finding the Fourth Proportional to 1,786,998.70, 2,680,498.05 and 1,482,568.30

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Solution

The fourth proportional to 1,786,998.70, 2,680,498.05 and 1,482,568.30 is: 2,223,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,998.70 : 2,680,498.05 = 1,482,568.30 : x
  2. Step 2: Convert to fraction form
    1,786,998.70/2,680,498.05 = 1,482,568.30/x
  3. Step 3: Cross multiply
    1,786,998.70x = 2,680,498.05 × 1,482,568.30
  4. Step 4: Simplify right side
    1,786,998.70x = 3,974,021,437,141.82
  5. Step 5: Solve for x
    x = 3,974,021,437,141.82/1,786,998.70
  6. Step 6: Final answer
    x = 2,223,852.45

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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.