Finding the Fourth Proportional to 2,857,753.29, 3,946,972.62 and 1,882,053.92
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Solution
The fourth proportional to 2,857,753.29, 3,946,972.62 and 1,882,053.92 is: 2,599,389.99
Step by Step Solution
- Step 1: Write the proportion equation
2,857,753.29 : 3,946,972.62 = 1,882,053.92 : x - Step 2: Convert to fraction form
2,857,753.29/3,946,972.62 = 1,882,053.92/x - Step 3: Cross multiply
2,857,753.29x = 3,946,972.62 × 1,882,053.92 - Step 4: Simplify right side
2,857,753.29x = 7,428,415,291,603.67 - Step 5: Solve for x
x = 7,428,415,291,603.67/2,857,753.29 - Step 6: Final answer
x = 2,599,389.99
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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.