Finding the Fourth Proportional to 2,516,957.08, 3,473,382.92 and 1,371,037.40
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Solution
The fourth proportional to 2,516,957.08, 3,473,382.92 and 1,371,037.40 is: 1,892,021.89
Step by Step Solution
- Step 1: Write the proportion equation
2,516,957.08 : 3,473,382.92 = 1,371,037.40 : x - Step 2: Convert to fraction form
2,516,957.08/3,473,382.92 = 1,371,037.40/x - Step 3: Cross multiply
2,516,957.08x = 3,473,382.92 × 1,371,037.40 - Step 4: Simplify right side
2,516,957.08x = 4,762,137,887,841.21 - Step 5: Solve for x
x = 4,762,137,887,841.21/2,516,957.08 - Step 6: Final answer
x = 1,892,021.89
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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.