Finding the Fourth Proportional to 1,790,916.36, 2,471,511.70 and 975,154.44
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Solution
The fourth proportional to 1,790,916.36, 2,471,511.70 and 975,154.44 is: 1,345,738.79
Step by Step Solution
- Step 1: Write the proportion equation
1,790,916.36 : 2,471,511.70 = 975,154.44 : x - Step 2: Convert to fraction form
1,790,916.36/2,471,511.70 = 975,154.44/x - Step 3: Cross multiply
1,790,916.36x = 2,471,511.70 × 975,154.44 - Step 4: Simplify right side
1,790,916.36x = 2,410,105,607,766.95 - Step 5: Solve for x
x = 2,410,105,607,766.95/1,790,916.36 - Step 6: Final answer
x = 1,345,738.79
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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.