Finding the Fourth Proportional to 4,577,258.40, 6,865,887.60 and 2,561,719.20
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Solution
The fourth proportional to 4,577,258.40, 6,865,887.60 and 2,561,719.20 is: 3,842,578.80
Step by Step Solution
- Step 1: Write the proportion equation
4,577,258.40 : 6,865,887.60 = 2,561,719.20 : x - Step 2: Convert to fraction form
4,577,258.40/6,865,887.60 = 2,561,719.20/x - Step 3: Cross multiply
4,577,258.40x = 6,865,887.60 × 2,561,719.20 - Step 4: Simplify right side
4,577,258.40x = 17,588,476,089,961.92 - Step 5: Solve for x
x = 17,588,476,089,961.92/4,577,258.40 - Step 6: Final answer
x = 3,842,578.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.