Home / 2,879,574.75-4,320,072.56-857,810.81

Finding the Fourth Proportional to 2,879,574.75, 4,320,072.56 and 857,810.81

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Solution

The fourth proportional to 2,879,574.75, 4,320,072.56 and 857,810.81 is: 1,286,927.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,574.75 : 4,320,072.56 = 857,810.81 : x
  2. Step 2: Convert to fraction form
    2,879,574.75/4,320,072.56 = 857,810.81/x
  3. Step 3: Cross multiply
    2,879,574.75x = 4,320,072.56 × 857,810.81
  4. Step 4: Simplify right side
    2,879,574.75x = 3,705,804,922,496.54
  5. Step 5: Solve for x
    x = 3,705,804,922,496.54/2,879,574.75
  6. Step 6: Final answer
    x = 1,286,927.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.