Finding the Fourth Proportional to 3,378,419.24, 4,662,219.66 and 1,850,581.40
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Solution
The fourth proportional to 3,378,419.24, 4,662,219.66 and 1,850,581.40 is: 2,553,802.94
Step by Step Solution
- Step 1: Write the proportion equation
3,378,419.24 : 4,662,219.66 = 1,850,581.40 : x - Step 2: Convert to fraction form
3,378,419.24/4,662,219.66 = 1,850,581.40/x - Step 3: Cross multiply
3,378,419.24x = 4,662,219.66 × 1,850,581.40 - Step 4: Simplify right side
3,378,419.24x = 8,627,816,985,510.32 - Step 5: Solve for x
x = 8,627,816,985,510.32/3,378,419.24 - Step 6: Final answer
x = 2,553,802.94
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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.