Home / 3,939,823.60-5,909,735.40-1,542,871.60

Finding the Fourth Proportional to 3,939,823.60, 5,909,735.40 and 1,542,871.60

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Solution

The fourth proportional to 3,939,823.60, 5,909,735.40 and 1,542,871.60 is: 2,314,307.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,823.60 : 5,909,735.40 = 1,542,871.60 : x
  2. Step 2: Convert to fraction form
    3,939,823.60/5,909,735.40 = 1,542,871.60/x
  3. Step 3: Cross multiply
    3,939,823.60x = 5,909,735.40 × 1,542,871.60
  4. Step 4: Simplify right side
    3,939,823.60x = 9,117,962,912,174.64
  5. Step 5: Solve for x
    x = 9,117,962,912,174.64/3,939,823.60
  6. Step 6: Final answer
    x = 2,314,307.40

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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.