Finding the Fourth Proportional to 4,648,143.09, 6,972,616.44 and 1,282,350.09
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Solution
The fourth proportional to 4,648,143.09, 6,972,616.44 and 1,282,350.09 is: 1,923,635.99
Step by Step Solution
- Step 1: Write the proportion equation
4,648,143.09 : 6,972,616.44 = 1,282,350.09 : x - Step 2: Convert to fraction form
4,648,143.09/6,972,616.44 = 1,282,350.09/x - Step 3: Cross multiply
4,648,143.09x = 6,972,616.44 × 1,282,350.09 - Step 4: Simplify right side
4,648,143.09x = 8,941,335,319,369.48 - Step 5: Solve for x
x = 8,941,335,319,369.48/4,648,143.09 - Step 6: Final answer
x = 1,923,635.99
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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.