Home / 3,027,901.72-4,178,828.46-1,851,191.05

Finding the Fourth Proportional to 3,027,901.72, 4,178,828.46 and 1,851,191.05

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Solution

The fourth proportional to 3,027,901.72, 4,178,828.46 and 1,851,191.05 is: 2,554,841.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027,901.72 : 4,178,828.46 = 1,851,191.05 : x
  2. Step 2: Convert to fraction form
    3,027,901.72/4,178,828.46 = 1,851,191.05/x
  3. Step 3: Cross multiply
    3,027,901.72x = 4,178,828.46 × 1,851,191.05
  4. Step 4: Simplify right side
    3,027,901.72x = 7,735,809,844,637.28
  5. Step 5: Solve for x
    x = 7,735,809,844,637.28/3,027,901.72
  6. Step 6: Final answer
    x = 2,554,841.79

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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.