Finding the Fourth Proportional to 5,476,199.20, 7,557,438 and 3,153,436.48
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Solution
The fourth proportional to 5,476,199.20, 7,557,438 and 3,153,436.48 is: 4,351,905.37
Step by Step Solution
- Step 1: Write the proportion equation
5,476,199.20 : 7,557,438 = 3,153,436.48 : x - Step 2: Convert to fraction form
5,476,199.20/7,557,438 = 3,153,436.48/x - Step 3: Cross multiply
5,476,199.20x = 7,557,438 × 3,153,436.48 - Step 4: Simplify right side
5,476,199.20x = 23,831,900,684,538.24 - Step 5: Solve for x
x = 23,831,900,684,538.24/5,476,199.20 - Step 6: Final answer
x = 4,351,905.37
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1.5x scale
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.