Home / 1,821,124.90-2,513,086.48-1,005,311.07

Finding the Fourth Proportional to 1,821,124.90, 2,513,086.48 and 1,005,311.07

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Solution

The fourth proportional to 1,821,124.90, 2,513,086.48 and 1,005,311.07 is: 1,387,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,124.90 : 2,513,086.48 = 1,005,311.07 : x
  2. Step 2: Convert to fraction form
    1,821,124.90/2,513,086.48 = 1,005,311.07/x
  3. Step 3: Cross multiply
    1,821,124.90x = 2,513,086.48 × 1,005,311.07
  4. Step 4: Simplify right side
    1,821,124.90x = 2,526,433,658,211.33
  5. Step 5: Solve for x
    x = 2,526,433,658,211.33/1,821,124.90
  6. Step 6: Final answer
    x = 1,387,292.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.