Finding the Fourth Proportional to 3,214,312.08, 4,435,805.52 and 1,764,142.44
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Solution
The fourth proportional to 3,214,312.08, 4,435,805.52 and 1,764,142.44 is: 2,434,546.67
Step by Step Solution
- Step 1: Write the proportion equation
3,214,312.08 : 4,435,805.52 = 1,764,142.44 : x - Step 2: Convert to fraction form
3,214,312.08/4,435,805.52 = 1,764,142.44/x - Step 3: Cross multiply
3,214,312.08x = 4,435,805.52 × 1,764,142.44 - Step 4: Simplify right side
3,214,312.08x = 7,825,392,773,418.27 - Step 5: Solve for x
x = 7,825,392,773,418.27/3,214,312.08 - Step 6: Final answer
x = 2,434,546.67
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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.