Finding the Fourth Proportional to 1,922,646.38, 2,650,839.62 and 1,233,101.07
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Solution
The fourth proportional to 1,922,646.38, 2,650,839.62 and 1,233,101.07 is: 1,700,132.28
Step by Step Solution
- Step 1: Write the proportion equation
1,922,646.38 : 2,650,839.62 = 1,233,101.07 : x - Step 2: Convert to fraction form
1,922,646.38/2,650,839.62 = 1,233,101.07/x - Step 3: Cross multiply
1,922,646.38x = 2,650,839.62 × 1,233,101.07 - Step 4: Simplify right side
1,922,646.38x = 3,268,753,165,654.89 - Step 5: Solve for x
x = 3,268,753,165,654.89/1,922,646.38 - Step 6: Final answer
x = 1,700,132.28
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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.