Finding the Fourth Proportional to 4,268,805.06, 6,403,656.15 and 1,390,396.01
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Solution
The fourth proportional to 4,268,805.06, 6,403,656.15 and 1,390,396.01 is: 2,085,740.12
Step by Step Solution
- Step 1: Write the proportion equation
4,268,805.06 : 6,403,656.15 = 1,390,396.01 : x - Step 2: Convert to fraction form
4,268,805.06/6,403,656.15 = 1,390,396.01/x - Step 3: Cross multiply
4,268,805.06x = 6,403,656.15 × 1,390,396.01 - Step 4: Simplify right side
4,268,805.06x = 8,903,617,989,819.42 - Step 5: Solve for x
x = 8,903,617,989,819.42/4,268,805.06 - Step 6: Final answer
x = 2,085,740.12
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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.