Finding the Fourth Proportional to 3,112,138.35, 4,661,996.43 and 1,509,840.09
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Solution
The fourth proportional to 3,112,138.35, 4,661,996.43 and 1,509,840.09 is: 2,261,746.85
Step by Step Solution
- Step 1: Write the proportion equation
3,112,138.35 : 4,661,996.43 = 1,509,840.09 : x - Step 2: Convert to fraction form
3,112,138.35/4,661,996.43 = 1,509,840.09/x - Step 3: Cross multiply
3,112,138.35x = 4,661,996.43 × 1,509,840.09 - Step 4: Simplify right side
3,112,138.35x = 7,038,869,109,450.88 - Step 5: Solve for x
x = 7,038,869,109,450.88/3,112,138.35 - Step 6: Final answer
x = 2,261,746.85
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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.