Finding the Fourth Proportional to 6,231,566.40, 9,346,474.80 and 1,972,165.20
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Solution
The fourth proportional to 6,231,566.40, 9,346,474.80 and 1,972,165.20 is: 2,957,970.94
Step by Step Solution
- Step 1: Write the proportion equation
6,231,566.40 : 9,346,474.80 = 1,972,165.20 : x - Step 2: Convert to fraction form
6,231,566.40/9,346,474.80 = 1,972,165.20/x - Step 3: Cross multiply
6,231,566.40x = 9,346,474.80 × 1,972,165.20 - Step 4: Simplify right side
6,231,566.40x = 18,432,792,343,236.96 - Step 5: Solve for x
x = 18,432,792,343,236.96/6,231,566.40 - Step 6: Final answer
x = 2,957,970.94
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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.