Home / 2,907,556.95-4,012,428.71-1,618,369.72

Finding the Fourth Proportional to 2,907,556.95, 4,012,428.71 and 1,618,369.72

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Solution

The fourth proportional to 2,907,556.95, 4,012,428.71 and 1,618,369.72 is: 2,233,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,556.95 : 4,012,428.71 = 1,618,369.72 : x
  2. Step 2: Convert to fraction form
    2,907,556.95/4,012,428.71 = 1,618,369.72/x
  3. Step 3: Cross multiply
    2,907,556.95x = 4,012,428.71 × 1,618,369.72
  4. Step 4: Simplify right side
    2,907,556.95x = 6,493,593,127,922.66
  5. Step 5: Solve for x
    x = 6,493,593,127,922.66/2,907,556.95
  6. Step 6: Final answer
    x = 2,233,350.28

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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.