Finding the Fourth Proportional to 2,857,863.17, 3,942,057.26 and 1,695,486.49
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Solution
The fourth proportional to 2,857,863.17, 3,942,057.26 and 1,695,486.49 is: 2,338,707.07
Step by Step Solution
- Step 1: Write the proportion equation
2,857,863.17 : 3,942,057.26 = 1,695,486.49 : x - Step 2: Convert to fraction form
2,857,863.17/3,942,057.26 = 1,695,486.49/x - Step 3: Cross multiply
2,857,863.17x = 3,942,057.26 × 1,695,486.49 - Step 4: Simplify right side
2,857,863.17x = 6,683,704,798,948.70 - Step 5: Solve for x
x = 6,683,704,798,948.70/2,857,863.17 - Step 6: Final answer
x = 2,338,707.07
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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.