Finding the Fourth Proportional to 4,268,906.87, 6,403,808.75 and 1,390,497.98
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Solution
The fourth proportional to 4,268,906.87, 6,403,808.75 and 1,390,497.98 is: 2,085,893.04
Step by Step Solution
- Step 1: Write the proportion equation
4,268,906.87 : 6,403,808.75 = 1,390,497.98 : x - Step 2: Convert to fraction form
4,268,906.87/6,403,808.75 = 1,390,497.98/x - Step 3: Cross multiply
4,268,906.87x = 6,403,808.75 × 1,390,497.98 - Step 4: Simplify right side
4,268,906.87x = 8,904,483,150,667.09 - Step 5: Solve for x
x = 8,904,483,150,667.09/4,268,906.87 - Step 6: Final answer
x = 2,085,893.04
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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.