Finding the Fourth Proportional to 4,244,661.78, 6,362,990.18 and 2,112,730.44
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Solution
The fourth proportional to 4,244,661.78, 6,362,990.18 and 2,112,730.44 is: 3,167,103.47
Step by Step Solution
- Step 1: Write the proportion equation
4,244,661.78 : 6,362,990.18 = 2,112,730.44 : x - Step 2: Convert to fraction form
4,244,661.78/6,362,990.18 = 2,112,730.44/x - Step 3: Cross multiply
4,244,661.78x = 6,362,990.18 × 2,112,730.44 - Step 4: Simplify right side
4,244,661.78x = 13,443,283,042,707.08 - Step 5: Solve for x
x = 13,443,283,042,707.08/4,244,661.78 - Step 6: Final answer
x = 3,167,103.47
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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.