Finding the Fourth Proportional to 2,226,503.61, 3,072,580.95 and 1,207,908.36
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Solution
The fourth proportional to 2,226,503.61, 3,072,580.95 and 1,207,908.36 is: 1,666,916.77
Step by Step Solution
- Step 1: Write the proportion equation
2,226,503.61 : 3,072,580.95 = 1,207,908.36 : x - Step 2: Convert to fraction form
2,226,503.61/3,072,580.95 = 1,207,908.36/x - Step 3: Cross multiply
2,226,503.61x = 3,072,580.95 × 1,207,908.36 - Step 4: Simplify right side
2,226,503.61x = 3,711,396,216,281.74 - Step 5: Solve for x
x = 3,711,396,216,281.74/2,226,503.61 - Step 6: Final answer
x = 1,666,916.77
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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.