Home / 3,211,269.12-4,815,703.48-1,291,532.40

Finding the Fourth Proportional to 3,211,269.12, 4,815,703.48 and 1,291,532.40

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Solution

The fourth proportional to 3,211,269.12, 4,815,703.48 and 1,291,532.40 is: 1,936,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,269.12 : 4,815,703.48 = 1,291,532.40 : x
  2. Step 2: Convert to fraction form
    3,211,269.12/4,815,703.48 = 1,291,532.40/x
  3. Step 3: Cross multiply
    3,211,269.12x = 4,815,703.48 × 1,291,532.40
  4. Step 4: Simplify right side
    3,211,269.12x = 6,219,637,073,212.75
  5. Step 5: Solve for x
    x = 6,219,637,073,212.75/3,211,269.12
  6. Step 6: Final answer
    x = 1,936,815.89

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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.