Finding the Fourth Proportional to 5,329,837.25, 7,994,757.24 and 1,492,225.05
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Solution
The fourth proportional to 5,329,837.25, 7,994,757.24 and 1,492,225.05 is: 2,238,337.95
Step by Step Solution
- Step 1: Write the proportion equation
5,329,837.25 : 7,994,757.24 = 1,492,225.05 : x - Step 2: Convert to fraction form
5,329,837.25/7,994,757.24 = 1,492,225.05/x - Step 3: Cross multiply
5,329,837.25x = 7,994,757.24 × 1,492,225.05 - Step 4: Simplify right side
5,329,837.25x = 11,929,976,982,223.08 - Step 5: Solve for x
x = 11,929,976,982,223.08/5,329,837.25 - Step 6: Final answer
x = 2,238,337.95
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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.