Home / 3,938,020.40-5,907,030.60-1,413,930.80

Finding the Fourth Proportional to 3,938,020.40, 5,907,030.60 and 1,413,930.80

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Solution

The fourth proportional to 3,938,020.40, 5,907,030.60 and 1,413,930.80 is: 2,120,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,020.40 : 5,907,030.60 = 1,413,930.80 : x
  2. Step 2: Convert to fraction form
    3,938,020.40/5,907,030.60 = 1,413,930.80/x
  3. Step 3: Cross multiply
    3,938,020.40x = 5,907,030.60 × 1,413,930.80
  4. Step 4: Simplify right side
    3,938,020.40x = 8,352,132,501,882.48
  5. Step 5: Solve for x
    x = 8,352,132,501,882.48/3,938,020.40
  6. Step 6: Final answer
    x = 2,120,896.20

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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.