Home / 1,968,008.40-2,715,904.08-1,108,517.40

Finding the Fourth Proportional to 1,968,008.40, 2,715,904.08 and 1,108,517.40

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Solution

The fourth proportional to 1,968,008.40, 2,715,904.08 and 1,108,517.40 is: 1,529,783.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,008.40 : 2,715,904.08 = 1,108,517.40 : x
  2. Step 2: Convert to fraction form
    1,968,008.40/2,715,904.08 = 1,108,517.40/x
  3. Step 3: Cross multiply
    1,968,008.40x = 2,715,904.08 × 1,108,517.40
  4. Step 4: Simplify right side
    1,968,008.40x = 3,010,626,929,410.99
  5. Step 5: Solve for x
    x = 3,010,626,929,410.99/1,968,008.40
  6. Step 6: Final answer
    x = 1,529,783.58

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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.