Finding the Fourth Proportional to 2,406,638.99, 3,321,198.55 and 1,318,901.74
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Solution
The fourth proportional to 2,406,638.99, 3,321,198.55 and 1,318,901.74 is: 1,820,104.53
Step by Step Solution
- Step 1: Write the proportion equation
2,406,638.99 : 3,321,198.55 = 1,318,901.74 : x - Step 2: Convert to fraction form
2,406,638.99/3,321,198.55 = 1,318,901.74/x - Step 3: Cross multiply
2,406,638.99x = 3,321,198.55 × 1,318,901.74 - Step 4: Simplify right side
2,406,638.99x = 4,380,334,539,826.11 - Step 5: Solve for x
x = 4,380,334,539,826.11/2,406,638.99 - Step 6: Final answer
x = 1,820,104.53
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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.