Finding the Fourth Proportional to 2,149,670.88, 3,217,419.36 and 1,188,649.08
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Solution
The fourth proportional to 2,149,670.88, 3,217,419.36 and 1,188,649.08 is: 1,779,054.92
Step by Step Solution
- Step 1: Write the proportion equation
2,149,670.88 : 3,217,419.36 = 1,188,649.08 : x - Step 2: Convert to fraction form
2,149,670.88/3,217,419.36 = 1,188,649.08/x - Step 3: Cross multiply
2,149,670.88x = 3,217,419.36 × 1,188,649.08 - Step 4: Simplify right side
2,149,670.88x = 3,824,382,562,238.19 - Step 5: Solve for x
x = 3,824,382,562,238.19/2,149,670.88 - Step 6: Final answer
x = 1,779,054.92
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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.