Finding the Fourth Proportional to 3,232,965.61, 4,461,406.72 and 1,782,636.49
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Solution
The fourth proportional to 3,232,965.61, 4,461,406.72 and 1,782,636.49 is: 2,459,991.03
Step by Step Solution
- Step 1: Write the proportion equation
3,232,965.61 : 4,461,406.72 = 1,782,636.49 : x - Step 2: Convert to fraction form
3,232,965.61/4,461,406.72 = 1,782,636.49/x - Step 3: Cross multiply
3,232,965.61x = 4,461,406.72 × 1,782,636.49 - Step 4: Simplify right side
3,232,965.61x = 7,953,066,415,803.21 - Step 5: Solve for x
x = 7,953,066,415,803.21/3,232,965.61 - Step 6: Final answer
x = 2,459,991.03
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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.