Finding the Fourth Proportional to 2,888,577.20, 4,329,366.60 and 1,289,442.80
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Solution
The fourth proportional to 2,888,577.20, 4,329,366.60 and 1,289,442.80 is: 1,932,602.18
Step by Step Solution
- Step 1: Write the proportion equation
2,888,577.20 : 4,329,366.60 = 1,289,442.80 : x - Step 2: Convert to fraction form
2,888,577.20/4,329,366.60 = 1,289,442.80/x - Step 3: Cross multiply
2,888,577.20x = 4,329,366.60 × 1,289,442.80 - Step 4: Simplify right side
2,888,577.20x = 5,582,470,590,930.48 - Step 5: Solve for x
x = 5,582,470,590,930.48/2,888,577.20 - Step 6: Final answer
x = 1,932,602.18
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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.