Finding the Fourth Proportional to 2,474,382.79, 3,406,428.62 and 2,219,291.11
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Solution
The fourth proportional to 2,474,382.79, 3,406,428.62 and 2,219,291.11 is: 3,055,249.49
Step by Step Solution
- Step 1: Write the proportion equation
2,474,382.79 : 3,406,428.62 = 2,219,291.11 : x - Step 2: Convert to fraction form
2,474,382.79/3,406,428.62 = 2,219,291.11/x - Step 3: Cross multiply
2,474,382.79x = 3,406,428.62 × 2,219,291.11 - Step 4: Simplify right side
2,474,382.79x = 7,559,856,736,183.43 - Step 5: Solve for x
x = 7,559,856,736,183.43/2,474,382.79 - Step 6: Final answer
x = 3,055,249.49
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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.