Finding the Fourth Proportional to 2,226,513.02, 3,072,589.08 and 1,207,917.50
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Solution
The fourth proportional to 2,226,513.02, 3,072,589.08 and 1,207,917.50 is: 1,666,926.75
Step by Step Solution
- Step 1: Write the proportion equation
2,226,513.02 : 3,072,589.08 = 1,207,917.50 : x - Step 2: Convert to fraction form
2,226,513.02/3,072,589.08 = 1,207,917.50/x - Step 3: Cross multiply
2,226,513.02x = 3,072,589.08 × 1,207,917.50 - Step 4: Simplify right side
2,226,513.02x = 3,711,434,120,040.90 - Step 5: Solve for x
x = 3,711,434,120,040.90/2,226,513.02 - Step 6: Final answer
x = 1,666,926.75
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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.