Finding the Fourth Proportional to 3,027,927.63, 4,178,864.21 and 1,851,216.96
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Solution
The fourth proportional to 3,027,927.63, 4,178,864.21 and 1,851,216.96 is: 2,554,877.54
Step by Step Solution
- Step 1: Write the proportion equation
3,027,927.63 : 4,178,864.21 = 1,851,216.96 : x - Step 2: Convert to fraction form
3,027,927.63/4,178,864.21 = 1,851,216.96/x - Step 3: Cross multiply
3,027,927.63x = 4,178,864.21 × 1,851,216.96 - Step 4: Simplify right side
3,027,927.63x = 7,735,984,289,832.92 - Step 5: Solve for x
x = 7,735,984,289,832.92/3,027,927.63 - Step 6: Final answer
x = 2,554,877.54
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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.