Home / 3,535,458.54-4,878,569.20-1,986,474.07

Finding the Fourth Proportional to 3,535,458.54, 4,878,569.20 and 1,986,474.07

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Solution

The fourth proportional to 3,535,458.54, 4,878,569.20 and 1,986,474.07 is: 2,741,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535,458.54 : 4,878,569.20 = 1,986,474.07 : x
  2. Step 2: Convert to fraction form
    3,535,458.54/4,878,569.20 = 1,986,474.07/x
  3. Step 3: Cross multiply
    3,535,458.54x = 4,878,569.20 × 1,986,474.07
  4. Step 4: Simplify right side
    3,535,458.54x = 9,691,151,219,357.31
  5. Step 5: Solve for x
    x = 9,691,151,219,357.31/3,535,458.54
  6. Step 6: Final answer
    x = 2,741,129.93

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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.