Finding the Fourth Proportional to 1,419,432.13, 2,129,148.29 and 1,133,785.29
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Solution
The fourth proportional to 1,419,432.13, 2,129,148.29 and 1,133,785.29 is: 1,700,678.00
Step by Step Solution
- Step 1: Write the proportion equation
1,419,432.13 : 2,129,148.29 = 1,133,785.29 : x - Step 2: Convert to fraction form
1,419,432.13/2,129,148.29 = 1,133,785.29/x - Step 3: Cross multiply
1,419,432.13x = 2,129,148.29 × 1,133,785.29 - Step 4: Simplify right side
1,419,432.13x = 2,413,996,999,367.68 - Step 5: Solve for x
x = 2,413,996,999,367.68/1,419,432.13 - Step 6: Final answer
x = 1,700,678.00
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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.