Finding the Fourth Proportional to 4,178,397.91, 6,268,499.23 and 1,299,709.95
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Solution
The fourth proportional to 4,178,397.91, 6,268,499.23 and 1,299,709.95 is: 1,949,845.61
Step by Step Solution
- Step 1: Write the proportion equation
4,178,397.91 : 6,268,499.23 = 1,299,709.95 : x - Step 2: Convert to fraction form
4,178,397.91/6,268,499.23 = 1,299,709.95/x - Step 3: Cross multiply
4,178,397.91x = 6,268,499.23 × 1,299,709.95 - Step 4: Simplify right side
4,178,397.91x = 8,147,230,831,739.46 - Step 5: Solve for x
x = 8,147,230,831,739.46/4,178,397.91 - Step 6: Final answer
x = 1,949,845.61
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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.