Finding the Fourth Proportional to 5,549,505.60, 8,324,258.40 and 4,205,812.80
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Solution
The fourth proportional to 5,549,505.60, 8,324,258.40 and 4,205,812.80 is: 6,308,719.20
Step by Step Solution
- Step 1: Write the proportion equation
5,549,505.60 : 8,324,258.40 = 4,205,812.80 : x - Step 2: Convert to fraction form
5,549,505.60/8,324,258.40 = 4,205,812.80/x - Step 3: Cross multiply
5,549,505.60x = 8,324,258.40 × 4,205,812.80 - Step 4: Simplify right side
5,549,505.60x = 35,010,272,529,227.52 - Step 5: Solve for x
x = 35,010,272,529,227.52/5,549,505.60 - Step 6: Final answer
x = 6,308,719.20
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1.5x scale
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.