Home / 1,992,691.60-2,749,444.97-1,477,636.70

Finding the Fourth Proportional to 1,992,691.60, 2,749,444.97 and 1,477,636.70

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Solution

The fourth proportional to 1,992,691.60, 2,749,444.97 and 1,477,636.70 is: 2,038,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,691.60 : 2,749,444.97 = 1,477,636.70 : x
  2. Step 2: Convert to fraction form
    1,992,691.60/2,749,444.97 = 1,477,636.70/x
  3. Step 3: Cross multiply
    1,992,691.60x = 2,749,444.97 × 1,477,636.70
  4. Step 4: Simplify right side
    1,992,691.60x = 4,062,680,771,166.99
  5. Step 5: Solve for x
    x = 4,062,680,771,166.99/1,992,691.60
  6. Step 6: Final answer
    x = 2,038,790.54

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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.