Finding the Fourth Proportional to 5,117,617.96, 7,679,083.68 and 2,087,207.08
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Solution
The fourth proportional to 5,117,617.96, 7,679,083.68 and 2,087,207.08 is: 3,131,894.17
Step by Step Solution
- Step 1: Write the proportion equation
5,117,617.96 : 7,679,083.68 = 2,087,207.08 : x - Step 2: Convert to fraction form
5,117,617.96/7,679,083.68 = 2,087,207.08/x - Step 3: Cross multiply
5,117,617.96x = 7,679,083.68 × 2,087,207.08 - Step 4: Simplify right side
5,117,617.96x = 16,027,837,838,788.15 - Step 5: Solve for x
x = 16,027,837,838,788.15/5,117,617.96 - Step 6: Final answer
x = 3,131,894.17
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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.