Finding the Fourth Proportional to 1,538,207.14, 2,122,768.66 and 849,923.35
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Solution
The fourth proportional to 1,538,207.14, 2,122,768.66 and 849,923.35 is: 1,172,917.88
Step by Step Solution
- Step 1: Write the proportion equation
1,538,207.14 : 2,122,768.66 = 849,923.35 : x - Step 2: Convert to fraction form
1,538,207.14/2,122,768.66 = 849,923.35/x - Step 3: Cross multiply
1,538,207.14x = 2,122,768.66 × 849,923.35 - Step 4: Simplify right side
1,538,207.14x = 1,804,190,650,782.21 - Step 5: Solve for x
x = 1,804,190,650,782.21/1,538,207.14 - Step 6: Final answer
x = 1,172,917.88
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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.