Home / 1,821,401.10-2,513,521.77-1,005,655.62

Finding the Fourth Proportional to 1,821,401.10, 2,513,521.77 and 1,005,655.62

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Solution

The fourth proportional to 1,821,401.10, 2,513,521.77 and 1,005,655.62 is: 1,387,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,401.10 : 2,513,521.77 = 1,005,655.62 : x
  2. Step 2: Convert to fraction form
    1,821,401.10/2,513,521.77 = 1,005,655.62/x
  3. Step 3: Cross multiply
    1,821,401.10x = 2,513,521.77 × 1,005,655.62
  4. Step 4: Simplify right side
    1,821,401.10x = 2,527,737,293,992.85
  5. Step 5: Solve for x
    x = 2,527,737,293,992.85/1,821,401.10
  6. Step 6: Final answer
    x = 1,387,798.27

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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.