Home / 3,939,861.60-5,909,792.40-1,542,909.60

Finding the Fourth Proportional to 3,939,861.60, 5,909,792.40 and 1,542,909.60

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Solution

The fourth proportional to 3,939,861.60, 5,909,792.40 and 1,542,909.60 is: 2,314,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,861.60 : 5,909,792.40 = 1,542,909.60 : x
  2. Step 2: Convert to fraction form
    3,939,861.60/5,909,792.40 = 1,542,909.60/x
  3. Step 3: Cross multiply
    3,939,861.60x = 5,909,792.40 × 1,542,909.60
  4. Step 4: Simplify right side
    3,939,861.60x = 9,118,275,427,967.04
  5. Step 5: Solve for x
    x = 9,118,275,427,967.04/3,939,861.60
  6. Step 6: Final answer
    x = 2,314,364.40

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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.