Home / 1,639,137.60-2,458,706.40-1,539,410.40

Finding the Fourth Proportional to 1,639,137.60, 2,458,706.40 and 1,539,410.40

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Solution

The fourth proportional to 1,639,137.60, 2,458,706.40 and 1,539,410.40 is: 2,309,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,137.60 : 2,458,706.40 = 1,539,410.40 : x
  2. Step 2: Convert to fraction form
    1,639,137.60/2,458,706.40 = 1,539,410.40/x
  3. Step 3: Cross multiply
    1,639,137.60x = 2,458,706.40 × 1,539,410.40
  4. Step 4: Simplify right side
    1,639,137.60x = 3,784,958,202,706.56
  5. Step 5: Solve for x
    x = 3,784,958,202,706.56/1,639,137.60
  6. Step 6: Final answer
    x = 2,309,115.60

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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.