Finding the Fourth Proportional to 1,941,122.70, 2,911,684.05 and 678,818.70
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Solution
The fourth proportional to 1,941,122.70, 2,911,684.05 and 678,818.70 is: 1,018,228.05
Step by Step Solution
- Step 1: Write the proportion equation
1,941,122.70 : 2,911,684.05 = 678,818.70 : x - Step 2: Convert to fraction form
1,941,122.70/2,911,684.05 = 678,818.70/x - Step 3: Cross multiply
1,941,122.70x = 2,911,684.05 × 678,818.70 - Step 4: Simplify right side
1,941,122.70x = 1,976,505,581,631.73 - Step 5: Solve for x
x = 1,976,505,581,631.73/1,941,122.70 - Step 6: Final answer
x = 1,018,228.05
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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.