Home / 2,912,566.47-4,368,845.91-782,650.63

Finding the Fourth Proportional to 2,912,566.47, 4,368,845.91 and 782,650.63

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Solution

The fourth proportional to 2,912,566.47, 4,368,845.91 and 782,650.63 is: 1,173,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,566.47 : 4,368,845.91 = 782,650.63 : x
  2. Step 2: Convert to fraction form
    2,912,566.47/4,368,845.91 = 782,650.63/x
  3. Step 3: Cross multiply
    2,912,566.47x = 4,368,845.91 × 782,650.63
  4. Step 4: Simplify right side
    2,912,566.47x = 3,419,280,012,230.42
  5. Step 5: Solve for x
    x = 3,419,280,012,230.42/2,912,566.47
  6. Step 6: Final answer
    x = 1,173,974.93

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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.