Finding the Fourth Proportional to 4,769,938.73, 6,581,917.64 and 3,224,563.09
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Solution
The fourth proportional to 4,769,938.73, 6,581,917.64 and 3,224,563.09 is: 4,449,492.93
Step by Step Solution
- Step 1: Write the proportion equation
4,769,938.73 : 6,581,917.64 = 3,224,563.09 : x - Step 2: Convert to fraction form
4,769,938.73/6,581,917.64 = 3,224,563.09/x - Step 3: Cross multiply
4,769,938.73x = 6,581,917.64 × 3,224,563.09 - Step 4: Simplify right side
4,769,938.73x = 21,223,808,674,970.52 - Step 5: Solve for x
x = 21,223,808,674,970.52/4,769,938.73 - Step 6: Final answer
x = 4,449,492.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.