Home / 2,191,269.40-3,023,779.62-1,211,167.24

Finding the Fourth Proportional to 2,191,269.40, 3,023,779.62 and 1,211,167.24

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Solution

The fourth proportional to 2,191,269.40, 3,023,779.62 and 1,211,167.24 is: 1,671,315.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,269.40 : 3,023,779.62 = 1,211,167.24 : x
  2. Step 2: Convert to fraction form
    2,191,269.40/3,023,779.62 = 1,211,167.24/x
  3. Step 3: Cross multiply
    2,191,269.40x = 3,023,779.62 × 1,211,167.24
  4. Step 4: Simplify right side
    2,191,269.40x = 3,662,302,816,723.65
  5. Step 5: Solve for x
    x = 3,662,302,816,723.65/2,191,269.40
  6. Step 6: Final answer
    x = 1,671,315.64

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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.