Home / 1,968,015.15-2,715,913.40-1,108,524.15

Finding the Fourth Proportional to 1,968,015.15, 2,715,913.40 and 1,108,524.15

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Solution

The fourth proportional to 1,968,015.15, 2,715,913.40 and 1,108,524.15 is: 1,529,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,015.15 : 2,715,913.40 = 1,108,524.15 : x
  2. Step 2: Convert to fraction form
    1,968,015.15/2,715,913.40 = 1,108,524.15/x
  3. Step 3: Cross multiply
    1,968,015.15x = 2,715,913.40 × 1,108,524.15
  4. Step 4: Simplify right side
    1,968,015.15x = 3,010,655,587,665.99
  5. Step 5: Solve for x
    x = 3,010,655,587,665.99/1,968,015.15
  6. Step 6: Final answer
    x = 1,529,792.89

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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.