Finding the Fourth Proportional to 4,219,993.48, 5,823,582.78 and 2,286,302.32
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Solution
The fourth proportional to 4,219,993.48, 5,823,582.78 and 2,286,302.32 is: 3,155,092.75
Step by Step Solution
- Step 1: Write the proportion equation
4,219,993.48 : 5,823,582.78 = 2,286,302.32 : x - Step 2: Convert to fraction form
4,219,993.48/5,823,582.78 = 2,286,302.32/x - Step 3: Cross multiply
4,219,993.48x = 5,823,582.78 × 2,286,302.32 - Step 4: Simplify right side
4,219,993.48x = 13,314,470,820,626.05 - Step 5: Solve for x
x = 13,314,470,820,626.05/4,219,993.48 - Step 6: Final answer
x = 3,155,092.75
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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.