Finding the Fourth Proportional to 2,517,901.65, 3,777,968.85 and 1,319,539.05
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Solution
The fourth proportional to 2,517,901.65, 3,777,968.85 and 1,319,539.05 is: 1,979,893.63
Step by Step Solution
- Step 1: Write the proportion equation
2,517,901.65 : 3,777,968.85 = 1,319,539.05 : x - Step 2: Convert to fraction form
2,517,901.65/3,777,968.85 = 1,319,539.05/x - Step 3: Cross multiply
2,517,901.65x = 3,777,968.85 × 1,319,539.05 - Step 4: Simplify right side
2,517,901.65x = 4,985,177,427,258.59 - Step 5: Solve for x
x = 4,985,177,427,258.59/2,517,901.65 - Step 6: Final answer
x = 1,979,893.63
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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.