Home / 1,965,647.09-2,712,144.20-1,105,893.65

Finding the Fourth Proportional to 1,965,647.09, 2,712,144.20 and 1,105,893.65

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Solution

The fourth proportional to 1,965,647.09, 2,712,144.20 and 1,105,893.65 is: 1,525,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,647.09 : 2,712,144.20 = 1,105,893.65 : x
  2. Step 2: Convert to fraction form
    1,965,647.09/2,712,144.20 = 1,105,893.65/x
  3. Step 3: Cross multiply
    1,965,647.09x = 2,712,144.20 × 1,105,893.65
  4. Step 4: Simplify right side
    1,965,647.09x = 2,999,343,029,574.14
  5. Step 5: Solve for x
    x = 2,999,343,029,574.14/1,965,647.09
  6. Step 6: Final answer
    x = 1,525,880.74

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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.