Finding the Fourth Proportional to 2,830,329.84, 4,245,531.64 and 808,639.70
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Solution
The fourth proportional to 2,830,329.84, 4,245,531.64 and 808,639.70 is: 1,212,970.09
Step by Step Solution
- Step 1: Write the proportion equation
2,830,329.84 : 4,245,531.64 = 808,639.70 : x - Step 2: Convert to fraction form
2,830,329.84/4,245,531.64 = 808,639.70/x - Step 3: Cross multiply
2,830,329.84x = 4,245,531.64 × 808,639.70 - Step 4: Simplify right side
2,830,329.84x = 3,433,105,431,710.11 - Step 5: Solve for x
x = 3,433,105,431,710.11/2,830,329.84 - Step 6: Final answer
x = 1,212,970.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.