Finding the Fourth Proportional to 1,950,502.22, 2,690,516.10 and 1,288,218.14
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Solution
The fourth proportional to 1,950,502.22, 2,690,516.10 and 1,288,218.14 is: 1,776,963.70
Step by Step Solution
- Step 1: Write the proportion equation
1,950,502.22 : 2,690,516.10 = 1,288,218.14 : x - Step 2: Convert to fraction form
1,950,502.22/2,690,516.10 = 1,288,218.14/x - Step 3: Cross multiply
1,950,502.22x = 2,690,516.10 × 1,288,218.14 - Step 4: Simplify right side
1,950,502.22x = 3,465,971,645,982.05 - Step 5: Solve for x
x = 3,465,971,645,982.05/1,950,502.22 - Step 6: Final answer
x = 1,776,963.70
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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.