Home / 2,680,455.30-4,021,433.55-1,084,139.70

Finding the Fourth Proportional to 2,680,455.30, 4,021,433.55 and 1,084,139.70

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Solution

The fourth proportional to 2,680,455.30, 4,021,433.55 and 1,084,139.70 is: 1,626,513.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,455.30 : 4,021,433.55 = 1,084,139.70 : x
  2. Step 2: Convert to fraction form
    2,680,455.30/4,021,433.55 = 1,084,139.70/x
  3. Step 3: Cross multiply
    2,680,455.30x = 4,021,433.55 × 1,084,139.70
  4. Step 4: Simplify right side
    2,680,455.30x = 4,359,795,762,466.93
  5. Step 5: Solve for x
    x = 4,359,795,762,466.93/2,680,455.30
  6. Step 6: Final answer
    x = 1,626,513.14

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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.