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Finding the Fourth Proportional to 1,668,751.34, 2,302,961.31 and 933,788.12

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Solution

The fourth proportional to 1,668,751.34, 2,302,961.31 and 933,788.12 is: 1,288,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,751.34 : 2,302,961.31 = 933,788.12 : x
  2. Step 2: Convert to fraction form
    1,668,751.34/2,302,961.31 = 933,788.12/x
  3. Step 3: Cross multiply
    1,668,751.34x = 2,302,961.31 × 933,788.12
  4. Step 4: Simplify right side
    1,668,751.34x = 2,150,477,912,097.64
  5. Step 5: Solve for x
    x = 2,150,477,912,097.64/1,668,751.34
  6. Step 6: Final answer
    x = 1,288,674.87

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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.