Finding the Fourth Proportional to 5,621,521.84, 7,757,702.73 and 3,043,202.60
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Solution
The fourth proportional to 5,621,521.84, 7,757,702.73 and 3,043,202.60 is: 4,199,621.00
Step by Step Solution
- Step 1: Write the proportion equation
5,621,521.84 : 7,757,702.73 = 3,043,202.60 : x - Step 2: Convert to fraction form
5,621,521.84/7,757,702.73 = 3,043,202.60/x - Step 3: Cross multiply
5,621,521.84x = 7,757,702.73 × 3,043,202.60 - Step 4: Simplify right side
5,621,521.84x = 23,608,261,137,357.36 - Step 5: Solve for x
x = 23,608,261,137,357.36/5,621,521.84 - Step 6: Final answer
x = 4,199,621.00
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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.