Finding the Fourth Proportional to 1,419,432.63, 2,129,149.04 and 1,133,785.79
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Solution
The fourth proportional to 1,419,432.63, 2,129,149.04 and 1,133,785.79 is: 1,700,678.75
Step by Step Solution
- Step 1: Write the proportion equation
1,419,432.63 : 2,129,149.04 = 1,133,785.79 : x - Step 2: Convert to fraction form
1,419,432.63/2,129,149.04 = 1,133,785.79/x - Step 3: Cross multiply
1,419,432.63x = 2,129,149.04 × 1,133,785.79 - Step 4: Simplify right side
1,419,432.63x = 2,413,998,915,698.40 - Step 5: Solve for x
x = 2,413,998,915,698.40/1,419,432.63 - Step 6: Final answer
x = 1,700,678.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.