Home / 2,938,806.40-4,407,172.80-1,045,609.60

Finding the Fourth Proportional to 2,938,806.40, 4,407,172.80 and 1,045,609.60

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Solution

The fourth proportional to 2,938,806.40, 4,407,172.80 and 1,045,609.60 is: 1,568,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,806.40 : 4,407,172.80 = 1,045,609.60 : x
  2. Step 2: Convert to fraction form
    2,938,806.40/4,407,172.80 = 1,045,609.60/x
  3. Step 3: Cross multiply
    2,938,806.40x = 4,407,172.80 × 1,045,609.60
  4. Step 4: Simplify right side
    2,938,806.40x = 4,608,182,188,538.88
  5. Step 5: Solve for x
    x = 4,608,182,188,538.88/2,938,806.40
  6. Step 6: Final answer
    x = 1,568,045.51

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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.