Finding the Fourth Proportional to 5,329,807.75, 7,994,712.77 and 1,492,195.49
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Solution
The fourth proportional to 5,329,807.75, 7,994,712.77 and 1,492,195.49 is: 2,238,293.56
Step by Step Solution
- Step 1: Write the proportion equation
5,329,807.75 : 7,994,712.77 = 1,492,195.49 : x - Step 2: Convert to fraction form
5,329,807.75/7,994,712.77 = 1,492,195.49/x - Step 3: Cross multiply
5,329,807.75x = 7,994,712.77 × 1,492,195.49 - Step 4: Simplify right side
5,329,807.75x = 11,929,674,339,239.41 - Step 5: Solve for x
x = 11,929,674,339,239.41/5,329,807.75 - Step 6: Final answer
x = 2,238,293.56
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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.