Finding the Fourth Proportional to 1,621,768.37, 2,238,087.08 and 896,662.91
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Solution
The fourth proportional to 1,621,768.37, 2,238,087.08 and 896,662.91 is: 1,237,420.66
Step by Step Solution
- Step 1: Write the proportion equation
1,621,768.37 : 2,238,087.08 = 896,662.91 : x - Step 2: Convert to fraction form
1,621,768.37/2,238,087.08 = 896,662.91/x - Step 3: Cross multiply
1,621,768.37x = 2,238,087.08 × 896,662.91 - Step 4: Simplify right side
1,621,768.37x = 2,006,809,681,823.08 - Step 5: Solve for x
x = 2,006,809,681,823.08/1,621,768.37 - Step 6: Final answer
x = 1,237,420.66
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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.