Finding the Fourth Proportional to 1,393,435.36, 2,089,362.48 and 1,274,553.28
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Solution
The fourth proportional to 1,393,435.36, 2,089,362.48 and 1,274,553.28 is: 1,911,106.81
Step by Step Solution
- Step 1: Write the proportion equation
1,393,435.36 : 2,089,362.48 = 1,274,553.28 : x - Step 2: Convert to fraction form
1,393,435.36/2,089,362.48 = 1,274,553.28/x - Step 3: Cross multiply
1,393,435.36x = 2,089,362.48 × 1,274,553.28 - Step 4: Simplify right side
1,393,435.36x = 2,663,003,801,992.93 - Step 5: Solve for x
x = 2,663,003,801,992.93/1,393,435.36 - Step 6: Final answer
x = 1,911,106.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.