Finding the Fourth Proportional to 2,278,315.73, 3,142,594.35 and 1,461,225.18
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Solution
The fourth proportional to 2,278,315.73, 3,142,594.35 and 1,461,225.18 is: 2,015,540.67
Step by Step Solution
- Step 1: Write the proportion equation
2,278,315.73 : 3,142,594.35 = 1,461,225.18 : x - Step 2: Convert to fraction form
2,278,315.73/3,142,594.35 = 1,461,225.18/x - Step 3: Cross multiply
2,278,315.73x = 3,142,594.35 × 1,461,225.18 - Step 4: Simplify right side
2,278,315.73x = 4,592,037,994,745.73 - Step 5: Solve for x
x = 4,592,037,994,745.73/2,278,315.73 - Step 6: Final answer
x = 2,015,540.67
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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.