Finding the Fourth Proportional to 3,577,874, 5,353,268.24 and 2,119,703.48
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Solution
The fourth proportional to 3,577,874, 5,353,268.24 and 2,119,703.48 is: 3,171,531.84
Step by Step Solution
- Step 1: Write the proportion equation
3,577,874 : 5,353,268.24 = 2,119,703.48 : x - Step 2: Convert to fraction form
3,577,874/5,353,268.24 = 2,119,703.48/x - Step 3: Cross multiply
3,577,874x = 5,353,268.24 × 2,119,703.48 - Step 4: Simplify right side
3,577,874x = 11,347,341,317,701.47 - Step 5: Solve for x
x = 11,347,341,317,701.47/3,577,874 - Step 6: Final answer
x = 3,171,531.84
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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.