Finding the Fourth Proportional to 4,440,889.80, 6,661,572.44 and 1,408,485.92
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Solution
The fourth proportional to 4,440,889.80, 6,661,572.44 and 1,408,485.92 is: 2,112,804.27
Step by Step Solution
- Step 1: Write the proportion equation
4,440,889.80 : 6,661,572.44 = 1,408,485.92 : x - Step 2: Convert to fraction form
4,440,889.80/6,661,572.44 = 1,408,485.92/x - Step 3: Cross multiply
4,440,889.80x = 6,661,572.44 × 1,408,485.92 - Step 4: Simplify right side
4,440,889.80x = 9,382,730,946,449.75 - Step 5: Solve for x
x = 9,382,730,946,449.75/4,440,889.80 - Step 6: Final answer
x = 2,112,804.27
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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.