Home / 1,821,206.57-2,513,199.05-1,005,392.69

Finding the Fourth Proportional to 1,821,206.57, 2,513,199.05 and 1,005,392.69

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Solution

The fourth proportional to 1,821,206.57, 2,513,199.05 and 1,005,392.69 is: 1,387,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,206.57 : 2,513,199.05 = 1,005,392.69 : x
  2. Step 2: Convert to fraction form
    1,821,206.57/2,513,199.05 = 1,005,392.69/x
  3. Step 3: Cross multiply
    1,821,206.57x = 2,513,199.05 × 1,005,392.69
  4. Step 4: Simplify right side
    1,821,206.57x = 2,526,751,948,986.70
  5. Step 5: Solve for x
    x = 2,526,751,948,986.70/1,821,206.57
  6. Step 6: Final answer
    x = 1,387,405.47

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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.