Finding the Fourth Proportional to 2,311,055.73, 3,189,254.50 and 1,292,460.48
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Solution
The fourth proportional to 2,311,055.73, 3,189,254.50 and 1,292,460.48 is: 1,783,594.12
Step by Step Solution
- Step 1: Write the proportion equation
2,311,055.73 : 3,189,254.50 = 1,292,460.48 : x - Step 2: Convert to fraction form
2,311,055.73/3,189,254.50 = 1,292,460.48/x - Step 3: Cross multiply
2,311,055.73x = 3,189,254.50 × 1,292,460.48 - Step 4: Simplify right side
2,311,055.73x = 4,121,985,415,487.44 - Step 5: Solve for x
x = 4,121,985,415,487.44/2,311,055.73 - Step 6: Final answer
x = 1,783,594.12
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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.