Home / 2,131,904-2,942,066.08-1,165,075.04

Finding the Fourth Proportional to 2,131,904, 2,942,066.08 and 1,165,075.04

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Solution

The fourth proportional to 2,131,904, 2,942,066.08 and 1,165,075.04 is: 1,607,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,904 : 2,942,066.08 = 1,165,075.04 : x
  2. Step 2: Convert to fraction form
    2,131,904/2,942,066.08 = 1,165,075.04/x
  3. Step 3: Cross multiply
    2,131,904x = 2,942,066.08 × 1,165,075.04
  4. Step 4: Simplify right side
    2,131,904x = 3,427,727,755,838.64
  5. Step 5: Solve for x
    x = 3,427,727,755,838.64/2,131,904
  6. Step 6: Final answer
    x = 1,607,824.63

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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.