Finding the Fourth Proportional to 4,268,907.87, 6,403,810.25 and 1,390,498.98
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Solution
The fourth proportional to 4,268,907.87, 6,403,810.25 and 1,390,498.98 is: 2,085,894.54
Step by Step Solution
- Step 1: Write the proportion equation
4,268,907.87 : 6,403,810.25 = 1,390,498.98 : x - Step 2: Convert to fraction form
4,268,907.87/6,403,810.25 = 1,390,498.98/x - Step 3: Cross multiply
4,268,907.87x = 6,403,810.25 × 1,390,498.98 - Step 4: Simplify right side
4,268,907.87x = 8,904,491,620,738.55 - Step 5: Solve for x
x = 8,904,491,620,738.55/4,268,907.87 - Step 6: Final answer
x = 2,085,894.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.