Finding the Fourth Proportional to 1,581,517.88, 2,182,497.64 and 883,798.69
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Solution
The fourth proportional to 1,581,517.88, 2,182,497.64 and 883,798.69 is: 1,219,643.85
Step by Step Solution
- Step 1: Write the proportion equation
1,581,517.88 : 2,182,497.64 = 883,798.69 : x - Step 2: Convert to fraction form
1,581,517.88/2,182,497.64 = 883,798.69/x - Step 3: Cross multiply
1,581,517.88x = 2,182,497.64 × 883,798.69 - Step 4: Simplify right side
1,581,517.88x = 1,928,888,554,072.22 - Step 5: Solve for x
x = 1,928,888,554,072.22/1,581,517.88 - Step 6: Final answer
x = 1,219,643.85
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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.