Finding the Fourth Proportional to 1,431,969.32, 2,148,888.47 and 534,129.28
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Solution
The fourth proportional to 1,431,969.32, 2,148,888.47 and 534,129.28 is: 801,542.49
Step by Step Solution
- Step 1: Write the proportion equation
1,431,969.32 : 2,148,888.47 = 534,129.28 : x - Step 2: Convert to fraction form
1,431,969.32/2,148,888.47 = 534,129.28/x - Step 3: Cross multiply
1,431,969.32x = 2,148,888.47 × 534,129.28 - Step 4: Simplify right side
1,431,969.32x = 1,147,784,251,281.40 - Step 5: Solve for x
x = 1,147,784,251,281.40/1,431,969.32 - Step 6: Final answer
x = 801,542.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.