Finding the Fourth Proportional to 3,198,945.84, 4,798,418.67 and 1,069,029.90
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Solution
The fourth proportional to 3,198,945.84, 4,798,418.67 and 1,069,029.90 is: 1,603,544.82
Step by Step Solution
- Step 1: Write the proportion equation
3,198,945.84 : 4,798,418.67 = 1,069,029.90 : x - Step 2: Convert to fraction form
3,198,945.84/4,798,418.67 = 1,069,029.90/x - Step 3: Cross multiply
3,198,945.84x = 4,798,418.67 × 1,069,029.90 - Step 4: Simplify right side
3,198,945.84x = 5,129,653,030,948.23 - Step 5: Solve for x
x = 5,129,653,030,948.23/3,198,945.84 - Step 6: Final answer
x = 1,603,544.82
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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.