Finding the Fourth Proportional to 5,588,689.77, 8,382,782.95 and 1,947,986.82
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Solution
The fourth proportional to 5,588,689.77, 8,382,782.95 and 1,947,986.82 is: 2,921,892.50
Step by Step Solution
- Step 1: Write the proportion equation
5,588,689.77 : 8,382,782.95 = 1,947,986.82 : x - Step 2: Convert to fraction form
5,588,689.77/8,382,782.95 = 1,947,986.82/x - Step 3: Cross multiply
5,588,689.77x = 8,382,782.95 × 1,947,986.82 - Step 4: Simplify right side
5,588,689.77x = 16,329,550,696,650.75 - Step 5: Solve for x
x = 16,329,550,696,650.75/5,588,689.77 - Step 6: Final answer
x = 2,921,892.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.