Finding the Fourth Proportional to 2,720,317.48, 4,080,971.94 and 1,121,993.08
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Solution
The fourth proportional to 2,720,317.48, 4,080,971.94 and 1,121,993.08 is: 1,683,194.08
Step by Step Solution
- Step 1: Write the proportion equation
2,720,317.48 : 4,080,971.94 = 1,121,993.08 : x - Step 2: Convert to fraction form
2,720,317.48/4,080,971.94 = 1,121,993.08/x - Step 3: Cross multiply
2,720,317.48x = 4,080,971.94 × 1,121,993.08 - Step 4: Simplify right side
2,720,317.48x = 4,578,822,276,354.18 - Step 5: Solve for x
x = 4,578,822,276,354.18/2,720,317.48 - Step 6: Final answer
x = 1,683,194.08
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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.