Home / 2,768,421.40-4,144,758.90-2,133,316.60

Finding the Fourth Proportional to 2,768,421.40, 4,144,758.90 and 2,133,316.60

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Solution

The fourth proportional to 2,768,421.40, 4,144,758.90 and 2,133,316.60 is: 3,193,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,421.40 : 4,144,758.90 = 2,133,316.60 : x
  2. Step 2: Convert to fraction form
    2,768,421.40/4,144,758.90 = 2,133,316.60/x
  3. Step 3: Cross multiply
    2,768,421.40x = 4,144,758.90 × 2,133,316.60
  4. Step 4: Simplify right side
    2,768,421.40x = 8,842,082,964,367.74
  5. Step 5: Solve for x
    x = 8,842,082,964,367.74/2,768,421.40
  6. Step 6: Final answer
    x = 3,193,907.89

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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.