Finding the Fourth Proportional to 1,781,670.21, 2,458,126.49 and 1,007,225.97
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Solution
The fourth proportional to 1,781,670.21, 2,458,126.49 and 1,007,225.97 is: 1,389,644.85
Step by Step Solution
- Step 1: Write the proportion equation
1,781,670.21 : 2,458,126.49 = 1,007,225.97 : x - Step 2: Convert to fraction form
1,781,670.21/2,458,126.49 = 1,007,225.97/x - Step 3: Cross multiply
1,781,670.21x = 2,458,126.49 × 1,007,225.97 - Step 4: Simplify right side
1,781,670.21x = 2,475,888,833,236.82 - Step 5: Solve for x
x = 2,475,888,833,236.82/1,781,670.21 - Step 6: Final answer
x = 1,389,644.85
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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.