Finding the Fourth Proportional to 1,888,338.42, 2,605,907.39 and 1,028,898.68
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Solution
The fourth proportional to 1,888,338.42, 2,605,907.39 and 1,028,898.68 is: 1,419,880.38
Step by Step Solution
- Step 1: Write the proportion equation
1,888,338.42 : 2,605,907.39 = 1,028,898.68 : x - Step 2: Convert to fraction form
1,888,338.42/2,605,907.39 = 1,028,898.68/x - Step 3: Cross multiply
1,888,338.42x = 2,605,907.39 × 1,028,898.68 - Step 4: Simplify right side
1,888,338.42x = 2,681,214,673,088.11 - Step 5: Solve for x
x = 2,681,214,673,088.11/1,888,338.42 - Step 6: Final answer
x = 1,419,880.38
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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.