Finding the Fourth Proportional to 4,213,491.60, 6,317,580.20 and 2,321,561.64
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Solution
The fourth proportional to 4,213,491.60, 6,317,580.20 and 2,321,561.64 is: 3,480,878.39
Step by Step Solution
- Step 1: Write the proportion equation
4,213,491.60 : 6,317,580.20 = 2,321,561.64 : x - Step 2: Convert to fraction form
4,213,491.60/6,317,580.20 = 2,321,561.64/x - Step 3: Cross multiply
4,213,491.60x = 6,317,580.20 × 2,321,561.64 - Step 4: Simplify right side
4,213,491.60x = 14,666,651,849,943.53 - Step 5: Solve for x
x = 14,666,651,849,943.53/4,213,491.60 - Step 6: Final answer
x = 3,480,878.39
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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.