Finding the Fourth Proportional to 1,502,331.40, 2,073,935.73 and 857,627.02
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Solution
The fourth proportional to 1,502,331.40, 2,073,935.73 and 857,627.02 is: 1,183,935.40
Step by Step Solution
- Step 1: Write the proportion equation
1,502,331.40 : 2,073,935.73 = 857,627.02 : x - Step 2: Convert to fraction form
1,502,331.40/2,073,935.73 = 857,627.02/x - Step 3: Cross multiply
1,502,331.40x = 2,073,935.73 × 857,627.02 - Step 4: Simplify right side
1,502,331.40x = 1,778,663,319,791.42 - Step 5: Solve for x
x = 1,778,663,319,791.42/1,502,331.40 - Step 6: Final answer
x = 1,183,935.40
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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.