Finding the Fourth Proportional to 1,538,125.44, 2,122,601.04 and 893,922.72
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Solution
The fourth proportional to 1,538,125.44, 2,122,601.04 and 893,922.72 is: 1,233,606.34
Step by Step Solution
- Step 1: Write the proportion equation
1,538,125.44 : 2,122,601.04 = 893,922.72 : x - Step 2: Convert to fraction form
1,538,125.44/2,122,601.04 = 893,922.72/x - Step 3: Cross multiply
1,538,125.44x = 2,122,601.04 × 893,922.72 - Step 4: Simplify right side
1,538,125.44x = 1,897,441,295,151.63 - Step 5: Solve for x
x = 1,897,441,295,151.63/1,538,125.44 - Step 6: Final answer
x = 1,233,606.34
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1.5x scale
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.