Home / 1,728,101.40-2,592,152.10-1,539,144.60

Finding the Fourth Proportional to 1,728,101.40, 2,592,152.10 and 1,539,144.60

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Solution

The fourth proportional to 1,728,101.40, 2,592,152.10 and 1,539,144.60 is: 2,308,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,101.40 : 2,592,152.10 = 1,539,144.60 : x
  2. Step 2: Convert to fraction form
    1,728,101.40/2,592,152.10 = 1,539,144.60/x
  3. Step 3: Cross multiply
    1,728,101.40x = 2,592,152.10 × 1,539,144.60
  4. Step 4: Simplify right side
    1,728,101.40x = 3,989,696,907,093.66
  5. Step 5: Solve for x
    x = 3,989,696,907,093.66/1,728,101.40
  6. Step 6: Final answer
    x = 2,308,716.90

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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.