Finding the Fourth Proportional to 2,226,503.77, 3,072,581.16 and 1,207,908.52
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Solution
The fourth proportional to 2,226,503.77, 3,072,581.16 and 1,207,908.52 is: 1,666,916.99
Step by Step Solution
- Step 1: Write the proportion equation
2,226,503.77 : 3,072,581.16 = 1,207,908.52 : x - Step 2: Convert to fraction form
2,226,503.77/3,072,581.16 = 1,207,908.52/x - Step 3: Cross multiply
2,226,503.77x = 3,072,581.16 × 1,207,908.52 - Step 4: Simplify right side
2,226,503.77x = 3,711,396,961,555.48 - Step 5: Solve for x
x = 3,711,396,961,555.48/2,226,503.77 - Step 6: Final answer
x = 1,666,916.99
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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.