Finding the Fourth Proportional to 4,814,471.60, 7,224,837.84 and 2,084,684.79
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Solution
The fourth proportional to 4,814,471.60, 7,224,837.84 and 2,084,684.79 is: 3,128,382.68
Step by Step Solution
- Step 1: Write the proportion equation
4,814,471.60 : 7,224,837.84 = 2,084,684.79 : x - Step 2: Convert to fraction form
4,814,471.60/7,224,837.84 = 2,084,684.79/x - Step 3: Cross multiply
4,814,471.60x = 7,224,837.84 × 2,084,684.79 - Step 4: Simplify right side
4,814,471.60x = 15,061,509,555,264.45 - Step 5: Solve for x
x = 15,061,509,555,264.45/4,814,471.60 - Step 6: Final answer
x = 3,128,382.68
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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.