Finding the Fourth Proportional to 1,647,173.36, 2,272,989.44 and 912,102.62
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Solution
The fourth proportional to 1,647,173.36, 2,272,989.44 and 912,102.62 is: 1,258,640.81
Step by Step Solution
- Step 1: Write the proportion equation
1,647,173.36 : 2,272,989.44 = 912,102.62 : x - Step 2: Convert to fraction form
1,647,173.36/2,272,989.44 = 912,102.62/x - Step 3: Cross multiply
1,647,173.36x = 2,272,989.44 × 912,102.62 - Step 4: Simplify right side
1,647,173.36x = 2,073,199,607,530.87 - Step 5: Solve for x
x = 2,073,199,607,530.87/1,647,173.36 - Step 6: Final answer
x = 1,258,640.81
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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.