Finding the Fourth Proportional to 1,688,569.96, 2,330,245.38 and 914,217.67
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Solution
The fourth proportional to 1,688,569.96, 2,330,245.38 and 914,217.67 is: 1,261,630.58
Step by Step Solution
- Step 1: Write the proportion equation
1,688,569.96 : 2,330,245.38 = 914,217.67 : x - Step 2: Convert to fraction form
1,688,569.96/2,330,245.38 = 914,217.67/x - Step 3: Cross multiply
1,688,569.96x = 2,330,245.38 × 914,217.67 - Step 4: Simplify right side
1,688,569.96x = 2,130,351,501,831.86 - Step 5: Solve for x
x = 2,130,351,501,831.86/1,688,569.96 - Step 6: Final answer
x = 1,261,630.58
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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.