Home / 1,941,047.42-2,678,656.07-1,125,734.51

Finding the Fourth Proportional to 1,941,047.42, 2,678,656.07 and 1,125,734.51

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Solution

The fourth proportional to 1,941,047.42, 2,678,656.07 and 1,125,734.51 is: 1,553,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,047.42 : 2,678,656.07 = 1,125,734.51 : x
  2. Step 2: Convert to fraction form
    1,941,047.42/2,678,656.07 = 1,125,734.51/x
  3. Step 3: Cross multiply
    1,941,047.42x = 2,678,656.07 × 1,125,734.51
  4. Step 4: Simplify right side
    1,941,047.42x = 3,015,455,567,841.03
  5. Step 5: Solve for x
    x = 3,015,455,567,841.03/1,941,047.42
  6. Step 6: Final answer
    x = 1,553,519.78

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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.