Home / 2,928,400.23-4,386,879.96-2,017,421.79

Finding the Fourth Proportional to 2,928,400.23, 4,386,879.96 and 2,017,421.79

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Solution

The fourth proportional to 2,928,400.23, 4,386,879.96 and 2,017,421.79 is: 3,022,191.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,400.23 : 4,386,879.96 = 2,017,421.79 : x
  2. Step 2: Convert to fraction form
    2,928,400.23/4,386,879.96 = 2,017,421.79/x
  3. Step 3: Cross multiply
    2,928,400.23x = 4,386,879.96 × 2,017,421.79
  4. Step 4: Simplify right side
    2,928,400.23x = 8,850,187,208,750.19
  5. Step 5: Solve for x
    x = 8,850,187,208,750.19/2,928,400.23
  6. Step 6: Final answer
    x = 3,022,191.81

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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.