Home / 1,821,604-2,513,853.48-1,005,805.48

Finding the Fourth Proportional to 1,821,604, 2,513,853.48 and 1,005,805.48

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Solution

The fourth proportional to 1,821,604, 2,513,853.48 and 1,005,805.48 is: 1,388,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,604 : 2,513,853.48 = 1,005,805.48 : x
  2. Step 2: Convert to fraction form
    1,821,604/2,513,853.48 = 1,005,805.48/x
  3. Step 3: Cross multiply
    1,821,604x = 2,513,853.48 × 1,005,805.48
  4. Step 4: Simplify right side
    1,821,604x = 2,528,447,606,101.07
  5. Step 5: Solve for x
    x = 2,528,447,606,101.07/1,821,604
  6. Step 6: Final answer
    x = 1,388,033.63

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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.