Home / 1,968,100.07-2,715,966.29-1,108,937.12

Finding the Fourth Proportional to 1,968,100.07, 2,715,966.29 and 1,108,937.12

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Solution

The fourth proportional to 1,968,100.07, 2,715,966.29 and 1,108,937.12 is: 1,530,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,100.07 : 2,715,966.29 = 1,108,937.12 : x
  2. Step 2: Convert to fraction form
    1,968,100.07/2,715,966.29 = 1,108,937.12/x
  3. Step 3: Cross multiply
    1,968,100.07x = 2,715,966.29 × 1,108,937.12
  4. Step 4: Simplify right side
    1,968,100.07x = 3,011,835,835,649.69
  5. Step 5: Solve for x
    x = 3,011,835,835,649.69/1,968,100.07
  6. Step 6: Final answer
    x = 1,530,326.57

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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.