Home / 1,821,108.15-2,512,950.12-1,005,259.19

Finding the Fourth Proportional to 1,821,108.15, 2,512,950.12 and 1,005,259.19

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Solution

The fourth proportional to 1,821,108.15, 2,512,950.12 and 1,005,259.19 is: 1,387,158.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,108.15 : 2,512,950.12 = 1,005,259.19 : x
  2. Step 2: Convert to fraction form
    1,821,108.15/2,512,950.12 = 1,005,259.19/x
  3. Step 3: Cross multiply
    1,821,108.15x = 2,512,950.12 × 1,005,259.19
  4. Step 4: Simplify right side
    1,821,108.15x = 2,526,166,208,423.98
  5. Step 5: Solve for x
    x = 2,526,166,208,423.98/1,821,108.15
  6. Step 6: Final answer
    x = 1,387,158.81

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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.