Home / 1,821,124.65-2,513,086.14-1,005,310.82

Finding the Fourth Proportional to 1,821,124.65, 2,513,086.14 and 1,005,310.82

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Solution

The fourth proportional to 1,821,124.65, 2,513,086.14 and 1,005,310.82 is: 1,387,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,124.65 : 2,513,086.14 = 1,005,310.82 : x
  2. Step 2: Convert to fraction form
    1,821,124.65/2,513,086.14 = 1,005,310.82/x
  3. Step 3: Cross multiply
    1,821,124.65x = 2,513,086.14 × 1,005,310.82
  4. Step 4: Simplify right side
    1,821,124.65x = 2,526,432,688,134.03
  5. Step 5: Solve for x
    x = 2,526,432,688,134.03/1,821,124.65
  6. Step 6: Final answer
    x = 1,387,292.57

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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.