Home / 1,821,124.40-2,513,085.80-1,005,310.57

Finding the Fourth Proportional to 1,821,124.40, 2,513,085.80 and 1,005,310.57

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Solution

The fourth proportional to 1,821,124.40, 2,513,085.80 and 1,005,310.57 is: 1,387,292.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,124.40 : 2,513,085.80 = 1,005,310.57 : x
  2. Step 2: Convert to fraction form
    1,821,124.40/2,513,085.80 = 1,005,310.57/x
  3. Step 3: Cross multiply
    1,821,124.40x = 2,513,085.80 × 1,005,310.57
  4. Step 4: Simplify right side
    1,821,124.40x = 2,526,431,700,464.92
  5. Step 5: Solve for x
    x = 2,526,431,700,464.92/1,821,124.40
  6. Step 6: Final answer
    x = 1,387,292.21

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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.