Finding the Fourth Proportional to 5,262,276.75, 7,893,415.44 and 1,273,188.75
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Solution
The fourth proportional to 5,262,276.75, 7,893,415.44 and 1,273,188.75 is: 1,909,783.20
Step by Step Solution
- Step 1: Write the proportion equation
5,262,276.75 : 7,893,415.44 = 1,273,188.75 : x - Step 2: Convert to fraction form
5,262,276.75/7,893,415.44 = 1,273,188.75/x - Step 3: Cross multiply
5,262,276.75x = 7,893,415.44 × 1,273,188.75 - Step 4: Simplify right side
5,262,276.75x = 10,049,807,737,284.30 - Step 5: Solve for x
x = 10,049,807,737,284.30/5,262,276.75 - Step 6: Final answer
x = 1,909,783.20
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1.5x scale
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.