Finding the Fourth Proportional to 1,888,338.08, 2,605,873.60 and 1,028,905.44
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Solution
The fourth proportional to 1,888,338.08, 2,605,873.60 and 1,028,905.44 is: 1,419,871.55
Step by Step Solution
- Step 1: Write the proportion equation
1,888,338.08 : 2,605,873.60 = 1,028,905.44 : x - Step 2: Convert to fraction form
1,888,338.08/2,605,873.60 = 1,028,905.44/x - Step 3: Cross multiply
1,888,338.08x = 2,605,873.60 × 1,028,905.44 - Step 4: Simplify right side
1,888,338.08x = 2,681,197,522,992.38 - Step 5: Solve for x
x = 2,681,197,522,992.38/1,888,338.08 - Step 6: Final answer
x = 1,419,871.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.