Finding the Fourth Proportional to 1,528,340.70, 2,292,511.05 and 1,397,703.90
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Solution
The fourth proportional to 1,528,340.70, 2,292,511.05 and 1,397,703.90 is: 2,096,555.85
Step by Step Solution
- Step 1: Write the proportion equation
1,528,340.70 : 2,292,511.05 = 1,397,703.90 : x - Step 2: Convert to fraction form
1,528,340.70/2,292,511.05 = 1,397,703.90/x - Step 3: Cross multiply
1,528,340.70x = 2,292,511.05 × 1,397,703.90 - Step 4: Simplify right side
1,528,340.70x = 3,204,251,635,378.10 - Step 5: Solve for x
x = 3,204,251,635,378.10/1,528,340.70 - Step 6: Final answer
x = 2,096,555.85
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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.