Finding the Fourth Proportional to 1,712,286.12, 2,362,948.94 and 987,130.38
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Solution
The fourth proportional to 1,712,286.12, 2,362,948.94 and 987,130.38 is: 1,362,236.52
Step by Step Solution
- Step 1: Write the proportion equation
1,712,286.12 : 2,362,948.94 = 987,130.38 : x - Step 2: Convert to fraction form
1,712,286.12/2,362,948.94 = 987,130.38/x - Step 3: Cross multiply
1,712,286.12x = 2,362,948.94 × 987,130.38 - Step 4: Simplify right side
1,712,286.12x = 2,332,538,685,062.80 - Step 5: Solve for x
x = 2,332,538,685,062.80/1,712,286.12 - Step 6: Final answer
x = 1,362,236.52
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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.