Finding the Fourth Proportional to 1,628,397.66, 2,442,602.77 and 681,103.88
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Solution
The fourth proportional to 1,628,397.66, 2,442,602.77 and 681,103.88 is: 1,021,658.45
Step by Step Solution
- Step 1: Write the proportion equation
1,628,397.66 : 2,442,602.77 = 681,103.88 : x - Step 2: Convert to fraction form
1,628,397.66/2,442,602.77 = 681,103.88/x - Step 3: Cross multiply
1,628,397.66x = 2,442,602.77 × 681,103.88 - Step 4: Simplify right side
1,628,397.66x = 1,663,666,223,945.75 - Step 5: Solve for x
x = 1,663,666,223,945.75/1,628,397.66 - Step 6: Final answer
x = 1,021,658.45
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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.