Home / 2,870,849.08-4,311,187.84-1,917,431.44

Finding the Fourth Proportional to 2,870,849.08, 4,311,187.84 and 1,917,431.44

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Solution

The fourth proportional to 2,870,849.08, 4,311,187.84 and 1,917,431.44 is: 2,879,429.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,849.08 : 4,311,187.84 = 1,917,431.44 : x
  2. Step 2: Convert to fraction form
    2,870,849.08/4,311,187.84 = 1,917,431.44/x
  3. Step 3: Cross multiply
    2,870,849.08x = 4,311,187.84 × 1,917,431.44
  4. Step 4: Simplify right side
    2,870,849.08x = 8,266,407,124,030.94
  5. Step 5: Solve for x
    x = 8,266,407,124,030.94/2,870,849.08
  6. Step 6: Final answer
    x = 2,879,429.36

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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.