Finding the Fourth Proportional to 1,857,363.56, 2,786,045.94 and 1,226,129.75
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Solution
The fourth proportional to 1,857,363.56, 2,786,045.94 and 1,226,129.75 is: 1,839,195.02
Step by Step Solution
- Step 1: Write the proportion equation
1,857,363.56 : 2,786,045.94 = 1,226,129.75 : x - Step 2: Convert to fraction form
1,857,363.56/2,786,045.94 = 1,226,129.75/x - Step 3: Cross multiply
1,857,363.56x = 2,786,045.94 × 1,226,129.75 - Step 4: Simplify right side
1,857,363.56x = 3,416,053,797,970.49 - Step 5: Solve for x
x = 3,416,053,797,970.49/1,857,363.56 - Step 6: Final answer
x = 1,839,195.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.