Finding the Fourth Proportional to 2,226,320.67, 3,072,328.44 and 1,207,725.42
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Solution
The fourth proportional to 2,226,320.67, 3,072,328.44 and 1,207,725.42 is: 1,666,664.29
Step by Step Solution
- Step 1: Write the proportion equation
2,226,320.67 : 3,072,328.44 = 1,207,725.42 : x - Step 2: Convert to fraction form
2,226,320.67/3,072,328.44 = 1,207,725.42/x - Step 3: Cross multiply
2,226,320.67x = 3,072,328.44 × 1,207,725.42 - Step 4: Simplify right side
2,226,320.67x = 3,710,529,155,576.94 - Step 5: Solve for x
x = 3,710,529,155,576.94/2,226,320.67 - Step 6: Final answer
x = 1,666,664.29
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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.