Finding the Fourth Proportional to 5,145,433.20, 7,101,133.92 and 2,854,332
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Solution
The fourth proportional to 5,145,433.20, 7,101,133.92 and 2,854,332 is: 3,939,220.08
Step by Step Solution
- Step 1: Write the proportion equation
5,145,433.20 : 7,101,133.92 = 2,854,332 : x - Step 2: Convert to fraction form
5,145,433.20/7,101,133.92 = 2,854,332/x - Step 3: Cross multiply
5,145,433.20x = 7,101,133.92 × 2,854,332 - Step 4: Simplify right side
5,145,433.20x = 20,268,993,784,141.44 - Step 5: Solve for x
x = 20,268,993,784,141.44/5,145,433.20 - Step 6: Final answer
x = 3,939,220.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.