Finding the Fourth Proportional to 1,532,865.99, 2,115,253.86 and 920,654.99
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Solution
The fourth proportional to 1,532,865.99, 2,115,253.86 and 920,654.99 is: 1,270,443.09
Step by Step Solution
- Step 1: Write the proportion equation
1,532,865.99 : 2,115,253.86 = 920,654.99 : x - Step 2: Convert to fraction form
1,532,865.99/2,115,253.86 = 920,654.99/x - Step 3: Cross multiply
1,532,865.99x = 2,115,253.86 × 920,654.99 - Step 4: Simplify right side
1,532,865.99x = 1,947,419,010,749.49 - Step 5: Solve for x
x = 1,947,419,010,749.49/1,532,865.99 - Step 6: Final answer
x = 1,270,443.09
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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.