Finding the Fourth Proportional to 3,540,139.70, 5,308,745.64 and 1,110,482.54
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Solution
The fourth proportional to 3,540,139.70, 5,308,745.64 and 1,110,482.54 is: 1,665,264.61
Step by Step Solution
- Step 1: Write the proportion equation
3,540,139.70 : 5,308,745.64 = 1,110,482.54 : x - Step 2: Convert to fraction form
3,540,139.70/5,308,745.64 = 1,110,482.54/x - Step 3: Cross multiply
3,540,139.70x = 5,308,745.64 × 1,110,482.54 - Step 4: Simplify right side
3,540,139.70x = 5,895,269,342,521.13 - Step 5: Solve for x
x = 5,895,269,342,521.13/3,540,139.70 - Step 6: Final answer
x = 1,665,264.61
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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.