Finding the Fourth Proportional to 1,621,713.15, 2,237,867.97 and 896,517.62
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Solution
The fourth proportional to 1,621,713.15, 2,237,867.97 and 896,517.62 is: 1,237,141.14
Step by Step Solution
- Step 1: Write the proportion equation
1,621,713.15 : 2,237,867.97 = 896,517.62 : x - Step 2: Convert to fraction form
1,621,713.15/2,237,867.97 = 896,517.62/x - Step 3: Cross multiply
1,621,713.15x = 2,237,867.97 × 896,517.62 - Step 4: Simplify right side
1,621,713.15x = 2,006,288,055,149.29 - Step 5: Solve for x
x = 2,006,288,055,149.29/1,621,713.15 - Step 6: Final answer
x = 1,237,141.14
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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.