Finding the Fourth Proportional to 2,170,237.20, 2,994,922.18 and 1,203,342.63
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Solution
The fourth proportional to 2,170,237.20, 2,994,922.18 and 1,203,342.63 is: 1,660,609.97
Step by Step Solution
- Step 1: Write the proportion equation
2,170,237.20 : 2,994,922.18 = 1,203,342.63 : x - Step 2: Convert to fraction form
2,170,237.20/2,994,922.18 = 1,203,342.63/x - Step 3: Cross multiply
2,170,237.20x = 2,994,922.18 × 1,203,342.63 - Step 4: Simplify right side
2,170,237.20x = 3,603,917,532,726.53 - Step 5: Solve for x
x = 3,603,917,532,726.53/2,170,237.20 - Step 6: Final answer
x = 1,660,609.97
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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.