Finding the Fourth Proportional to 4,537,139.70, 6,261,694.05 and 3,389,227.14
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Solution
The fourth proportional to 4,537,139.70, 6,261,694.05 and 3,389,227.14 is: 4,677,463.08
Step by Step Solution
- Step 1: Write the proportion equation
4,537,139.70 : 6,261,694.05 = 3,389,227.14 : x - Step 2: Convert to fraction form
4,537,139.70/6,261,694.05 = 3,389,227.14/x - Step 3: Cross multiply
4,537,139.70x = 6,261,694.05 × 3,389,227.14 - Step 4: Simplify right side
4,537,139.70x = 21,222,303,416,636.52 - Step 5: Solve for x
x = 21,222,303,416,636.52/4,537,139.70 - Step 6: Final answer
x = 4,677,463.08
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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.