Finding the Fourth Proportional to 3,836,448.84, 5,294,299.86 and 2,117,569.80
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Solution
The fourth proportional to 3,836,448.84, 5,294,299.86 and 2,117,569.80 is: 2,922,246.58
Step by Step Solution
- Step 1: Write the proportion equation
3,836,448.84 : 5,294,299.86 = 2,117,569.80 : x - Step 2: Convert to fraction form
3,836,448.84/5,294,299.86 = 2,117,569.80/x - Step 3: Cross multiply
3,836,448.84x = 5,294,299.86 × 2,117,569.80 - Step 4: Simplify right side
3,836,448.84x = 11,211,049,495,680.23 - Step 5: Solve for x
x = 11,211,049,495,680.23/3,836,448.84 - Step 6: Final answer
x = 2,922,246.58
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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.