Finding the Fourth Proportional to 4,043,061.20, 5,579,382.20 and 2,207,513.81
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Solution
The fourth proportional to 4,043,061.20, 5,579,382.20 and 2,207,513.81 is: 3,046,345.99
Step by Step Solution
- Step 1: Write the proportion equation
4,043,061.20 : 5,579,382.20 = 2,207,513.81 : x - Step 2: Convert to fraction form
4,043,061.20/5,579,382.20 = 2,207,513.81/x - Step 3: Cross multiply
4,043,061.20x = 5,579,382.20 × 2,207,513.81 - Step 4: Simplify right side
4,043,061.20x = 12,316,563,257,768.18 - Step 5: Solve for x
x = 12,316,563,257,768.18/4,043,061.20 - Step 6: Final answer
x = 3,046,345.99
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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.