Home / 1,945,851.60-2,918,777.40-1,679,912.40

Finding the Fourth Proportional to 1,945,851.60, 2,918,777.40 and 1,679,912.40

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Solution

The fourth proportional to 1,945,851.60, 2,918,777.40 and 1,679,912.40 is: 2,519,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,851.60 : 2,918,777.40 = 1,679,912.40 : x
  2. Step 2: Convert to fraction form
    1,945,851.60/2,918,777.40 = 1,679,912.40/x
  3. Step 3: Cross multiply
    1,945,851.60x = 2,918,777.40 × 1,679,912.40
  4. Step 4: Simplify right side
    1,945,851.60x = 4,903,290,347,099.76
  5. Step 5: Solve for x
    x = 4,903,290,347,099.76/1,945,851.60
  6. Step 6: Final answer
    x = 2,519,868.60

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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.