Finding the Fourth Proportional to 2,451,970.40, 3,678,276.95 and 810,102.17
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Solution
The fourth proportional to 2,451,970.40, 3,678,276.95 and 810,102.17 is: 1,215,259.42
Step by Step Solution
- Step 1: Write the proportion equation
2,451,970.40 : 3,678,276.95 = 810,102.17 : x - Step 2: Convert to fraction form
2,451,970.40/3,678,276.95 = 810,102.17/x - Step 3: Cross multiply
2,451,970.40x = 3,678,276.95 × 810,102.17 - Step 4: Simplify right side
2,451,970.40x = 2,979,780,116,614.09 - Step 5: Solve for x
x = 2,979,780,116,614.09/2,451,970.40 - Step 6: Final answer
x = 1,215,259.42
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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.