Finding the Fourth Proportional to 1,681,188.99, 2,319,338.75 and 1,100,554.16
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Solution
The fourth proportional to 1,681,188.99, 2,319,338.75 and 1,100,554.16 is: 1,518,305.14
Step by Step Solution
- Step 1: Write the proportion equation
1,681,188.99 : 2,319,338.75 = 1,100,554.16 : x - Step 2: Convert to fraction form
1,681,188.99/2,319,338.75 = 1,100,554.16/x - Step 3: Cross multiply
1,681,188.99x = 2,319,338.75 × 1,100,554.16 - Step 4: Simplify right side
1,681,188.99x = 2,552,557,892,662.24 - Step 5: Solve for x
x = 2,552,557,892,662.24/1,681,188.99 - Step 6: Final answer
x = 1,518,305.14
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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.