Finding the Fourth Proportional to 3,208,772.56, 4,430,119.08 and 2,064,840.88
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Solution
The fourth proportional to 3,208,772.56, 4,430,119.08 and 2,064,840.88 is: 2,850,775.74
Step by Step Solution
- Step 1: Write the proportion equation
3,208,772.56 : 4,430,119.08 = 2,064,840.88 : x - Step 2: Convert to fraction form
3,208,772.56/4,430,119.08 = 2,064,840.88/x - Step 3: Cross multiply
3,208,772.56x = 4,430,119.08 × 2,064,840.88 - Step 4: Simplify right side
3,208,772.56x = 9,147,490,979,651.99 - Step 5: Solve for x
x = 9,147,490,979,651.99/3,208,772.56 - Step 6: Final answer
x = 2,850,775.74
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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.