Finding the Fourth Proportional to 5,497,676.91, 8,247,699.75 and 1,659,178.20
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Solution
The fourth proportional to 5,497,676.91, 8,247,699.75 and 1,659,178.20 is: 2,489,124.74
Step by Step Solution
- Step 1: Write the proportion equation
5,497,676.91 : 8,247,699.75 = 1,659,178.20 : x - Step 2: Convert to fraction form
5,497,676.91/8,247,699.75 = 1,659,178.20/x - Step 3: Cross multiply
5,497,676.91x = 8,247,699.75 × 1,659,178.20 - Step 4: Simplify right side
5,497,676.91x = 13,684,403,625,345.45 - Step 5: Solve for x
x = 13,684,403,625,345.45/5,497,676.91 - Step 6: Final answer
x = 2,489,124.74
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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.