Finding the Fourth Proportional to 1,906,613.73, 2,631,129.14 and 1,035,449.01
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Solution
The fourth proportional to 1,906,613.73, 2,631,129.14 and 1,035,449.01 is: 1,428,920.82
Step by Step Solution
- Step 1: Write the proportion equation
1,906,613.73 : 2,631,129.14 = 1,035,449.01 : x - Step 2: Convert to fraction form
1,906,613.73/2,631,129.14 = 1,035,449.01/x - Step 3: Cross multiply
1,906,613.73x = 2,631,129.14 × 1,035,449.01 - Step 4: Simplify right side
1,906,613.73x = 2,724,400,063,195.15 - Step 5: Solve for x
x = 2,724,400,063,195.15/1,906,613.73 - Step 6: Final answer
x = 1,428,920.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.