Finding the Fourth Proportional to 3,943,138.11, 5,441,696 and 2,224,258.17
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Solution
The fourth proportional to 3,943,138.11, 5,441,696 and 2,224,258.17 is: 3,069,569.58
Step by Step Solution
- Step 1: Write the proportion equation
3,943,138.11 : 5,441,696 = 2,224,258.17 : x - Step 2: Convert to fraction form
3,943,138.11/5,441,696 = 2,224,258.17/x - Step 3: Cross multiply
3,943,138.11x = 5,441,696 × 2,224,258.17 - Step 4: Simplify right side
3,943,138.11x = 12,103,736,786,656.32 - Step 5: Solve for x
x = 12,103,736,786,656.32/3,943,138.11 - Step 6: Final answer
x = 3,069,569.58
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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.