Home / 2,907,145.60-4,360,912.80-988,028.80

Finding the Fourth Proportional to 2,907,145.60, 4,360,912.80 and 988,028.80

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Solution

The fourth proportional to 2,907,145.60, 4,360,912.80 and 988,028.80 is: 1,482,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,145.60 : 4,360,912.80 = 988,028.80 : x
  2. Step 2: Convert to fraction form
    2,907,145.60/4,360,912.80 = 988,028.80/x
  3. Step 3: Cross multiply
    2,907,145.60x = 4,360,912.80 × 988,028.80
  4. Step 4: Simplify right side
    2,907,145.60x = 4,308,707,440,688.64
  5. Step 5: Solve for x
    x = 4,308,707,440,688.64/2,907,145.60
  6. Step 6: Final answer
    x = 1,482,109.27

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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.