Home / 2,800,806.30-4,201,209.45-1,383,630.30

Finding the Fourth Proportional to 2,800,806.30, 4,201,209.45 and 1,383,630.30

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Solution

The fourth proportional to 2,800,806.30, 4,201,209.45 and 1,383,630.30 is: 2,075,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,806.30 : 4,201,209.45 = 1,383,630.30 : x
  2. Step 2: Convert to fraction form
    2,800,806.30/4,201,209.45 = 1,383,630.30/x
  3. Step 3: Cross multiply
    2,800,806.30x = 4,201,209.45 × 1,383,630.30
  4. Step 4: Simplify right side
    2,800,806.30x = 5,812,920,691,666.34
  5. Step 5: Solve for x
    x = 5,812,920,691,666.34/2,800,806.30
  6. Step 6: Final answer
    x = 2,075,445.45

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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.