Finding the Fourth Proportional to 1,688,906.27, 2,330,857.06 and 963,863.12
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Solution
The fourth proportional to 1,688,906.27, 2,330,857.06 and 963,863.12 is: 1,330,226.07
Step by Step Solution
- Step 1: Write the proportion equation
1,688,906.27 : 2,330,857.06 = 963,863.12 : x - Step 2: Convert to fraction form
1,688,906.27/2,330,857.06 = 963,863.12/x - Step 3: Cross multiply
1,688,906.27x = 2,330,857.06 × 963,863.12 - Step 4: Simplify right side
1,688,906.27x = 2,246,627,161,543.11 - Step 5: Solve for x
x = 2,246,627,161,543.11/1,688,906.27 - Step 6: Final answer
x = 1,330,226.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.