Finding the Fourth Proportional to 1,696,921.84, 2,341,759.80 and 922,560.24
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Solution
The fourth proportional to 1,696,921.84, 2,341,759.80 and 922,560.24 is: 1,273,137.30
Step by Step Solution
- Step 1: Write the proportion equation
1,696,921.84 : 2,341,759.80 = 922,560.24 : x - Step 2: Convert to fraction form
1,696,921.84/2,341,759.80 = 922,560.24/x - Step 3: Cross multiply
1,696,921.84x = 2,341,759.80 × 922,560.24 - Step 4: Simplify right side
1,696,921.84x = 2,160,414,483,110.35 - Step 5: Solve for x
x = 2,160,414,483,110.35/1,696,921.84 - Step 6: Final answer
x = 1,273,137.30
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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.