Finding the Fourth Proportional to 4,249,818.29, 5,864,957.12 and 2,389,819.14
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Solution
The fourth proportional to 4,249,818.29, 5,864,957.12 and 2,389,819.14 is: 3,298,067.31
Step by Step Solution
- Step 1: Write the proportion equation
4,249,818.29 : 5,864,957.12 = 2,389,819.14 : x - Step 2: Convert to fraction form
4,249,818.29/5,864,957.12 = 2,389,819.14/x - Step 3: Cross multiply
4,249,818.29x = 5,864,957.12 × 2,389,819.14 - Step 4: Simplify right side
4,249,818.29x = 14,016,186,786,629.82 - Step 5: Solve for x
x = 14,016,186,786,629.82/4,249,818.29 - Step 6: Final answer
x = 3,298,067.31
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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.