Home / 1,821,206.40-2,731,806.90-541,808.16

Finding the Fourth Proportional to 1,821,206.40, 2,731,806.90 and 541,808.16

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Solution

The fourth proportional to 1,821,206.40, 2,731,806.90 and 541,808.16 is: 812,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,206.40 : 2,731,806.90 = 541,808.16 : x
  2. Step 2: Convert to fraction form
    1,821,206.40/2,731,806.90 = 541,808.16/x
  3. Step 3: Cross multiply
    1,821,206.40x = 2,731,806.90 × 541,808.16
  4. Step 4: Simplify right side
    1,821,206.40x = 1,480,115,269,964.30
  5. Step 5: Solve for x
    x = 1,480,115,269,964.30/1,821,206.40
  6. Step 6: Final answer
    x = 812,711.44

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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.