Finding the Fourth Proportional to 7,084,522.84, 10,621,853.63 and 3,138,757.94
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Solution
The fourth proportional to 7,084,522.84, 10,621,853.63 and 3,138,757.94 is: 4,705,952.42
Step by Step Solution
- Step 1: Write the proportion equation
7,084,522.84 : 10,621,853.63 = 3,138,757.94 : x - Step 2: Convert to fraction form
7,084,522.84/10,621,853.63 = 3,138,757.94/x - Step 3: Cross multiply
7,084,522.84x = 10,621,853.63 × 3,138,757.94 - Step 4: Simplify right side
7,084,522.84x = 33,339,427,418,680.32 - Step 5: Solve for x
x = 33,339,427,418,680.32/7,084,522.84 - Step 6: Final answer
x = 4,705,952.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.