Finding the Fourth Proportional to 1,621,398.36, 2,237,530.23 and 886,355.84
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Solution
The fourth proportional to 1,621,398.36, 2,237,530.23 and 886,355.84 is: 1,223,171.32
Step by Step Solution
- Step 1: Write the proportion equation
1,621,398.36 : 2,237,530.23 = 886,355.84 : x - Step 2: Convert to fraction form
1,621,398.36/2,237,530.23 = 886,355.84/x - Step 3: Cross multiply
1,621,398.36x = 2,237,530.23 × 886,355.84 - Step 4: Simplify right side
1,621,398.36x = 1,983,247,975,349.39 - Step 5: Solve for x
x = 1,983,247,975,349.39/1,621,398.36 - Step 6: Final answer
x = 1,223,171.32
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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.