Finding the Fourth Proportional to 5,301,258.48, 7,315,544.61 and 3,239,722.98
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Solution
The fourth proportional to 5,301,258.48, 7,315,544.61 and 3,239,722.98 is: 4,470,700.32
Step by Step Solution
- Step 1: Write the proportion equation
5,301,258.48 : 7,315,544.61 = 3,239,722.98 : x - Step 2: Convert to fraction form
5,301,258.48/7,315,544.61 = 3,239,722.98/x - Step 3: Cross multiply
5,301,258.48x = 7,315,544.61 × 3,239,722.98 - Step 4: Simplify right side
5,301,258.48x = 23,700,337,984,232.14 - Step 5: Solve for x
x = 23,700,337,984,232.14/5,301,258.48 - Step 6: Final answer
x = 4,470,700.32
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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.