Finding the Fourth Proportional to 3,551,391.70, 5,329,274.55 and 1,530,603.70
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Solution
The fourth proportional to 3,551,391.70, 5,329,274.55 and 1,530,603.70 is: 2,296,848.12
Step by Step Solution
- Step 1: Write the proportion equation
3,551,391.70 : 5,329,274.55 = 1,530,603.70 : x - Step 2: Convert to fraction form
3,551,391.70/5,329,274.55 = 1,530,603.70/x - Step 3: Cross multiply
3,551,391.70x = 5,329,274.55 × 1,530,603.70 - Step 4: Simplify right side
3,551,391.70x = 8,157,007,344,545.83 - Step 5: Solve for x
x = 8,157,007,344,545.83/3,551,391.70 - Step 6: Final answer
x = 2,296,848.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.