Finding the Fourth Proportional to 5,109,117.96, 7,663,857.98 and 1,270,960.36
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Solution
The fourth proportional to 5,109,117.96, 7,663,857.98 and 1,270,960.36 is: 1,906,485.58
Step by Step Solution
- Step 1: Write the proportion equation
5,109,117.96 : 7,663,857.98 = 1,270,960.36 : x - Step 2: Convert to fraction form
5,109,117.96/7,663,857.98 = 1,270,960.36/x - Step 3: Cross multiply
5,109,117.96x = 7,663,857.98 × 1,270,960.36 - Step 4: Simplify right side
5,109,117.96x = 9,740,459,697,249.67 - Step 5: Solve for x
x = 9,740,459,697,249.67/5,109,117.96 - Step 6: Final answer
x = 1,906,485.58
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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.