Finding the Fourth Proportional to 2,912,364.09, 4,369,176.74 and 1,115,247.64
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Solution
The fourth proportional to 2,912,364.09, 4,369,176.74 and 1,115,247.64 is: 1,673,112.94
Step by Step Solution
- Step 1: Write the proportion equation
2,912,364.09 : 4,369,176.74 = 1,115,247.64 : x - Step 2: Convert to fraction form
2,912,364.09/4,369,176.74 = 1,115,247.64/x - Step 3: Cross multiply
2,912,364.09x = 4,369,176.74 × 1,115,247.64 - Step 4: Simplify right side
2,912,364.09x = 4,872,714,048,027.89 - Step 5: Solve for x
x = 4,872,714,048,027.89/2,912,364.09 - Step 6: Final answer
x = 1,673,112.94
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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.