Home / 1,999,131.54-2,755,931.90-1,425,175.26

Finding the Fourth Proportional to 1,999,131.54, 2,755,931.90 and 1,425,175.26

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Solution

The fourth proportional to 1,999,131.54, 2,755,931.90 and 1,425,175.26 is: 1,964,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,131.54 : 2,755,931.90 = 1,425,175.26 : x
  2. Step 2: Convert to fraction form
    1,999,131.54/2,755,931.90 = 1,425,175.26/x
  3. Step 3: Cross multiply
    1,999,131.54x = 2,755,931.90 × 1,425,175.26
  4. Step 4: Simplify right side
    1,999,131.54x = 3,927,685,954,998.92
  5. Step 5: Solve for x
    x = 3,927,685,954,998.92/1,999,131.54
  6. Step 6: Final answer
    x = 1,964,696.11

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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.