Finding the Fourth Proportional to 4,202,143.60, 6,289,218.60 and 3,698,258.80
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Solution
The fourth proportional to 4,202,143.60, 6,289,218.60 and 3,698,258.80 is: 5,535,069.78
Step by Step Solution
- Step 1: Write the proportion equation
4,202,143.60 : 6,289,218.60 = 3,698,258.80 : x - Step 2: Convert to fraction form
4,202,143.60/6,289,218.60 = 3,698,258.80/x - Step 3: Cross multiply
4,202,143.60x = 6,289,218.60 × 3,698,258.80 - Step 4: Simplify right side
4,202,143.60x = 23,259,158,032,573.68 - Step 5: Solve for x
x = 23,259,158,032,573.68/4,202,143.60 - Step 6: Final answer
x = 5,535,069.78
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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.