Finding the Fourth Proportional to 6,113,318.62, 9,169,415.68 and 2,069,344.21
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Solution
The fourth proportional to 6,113,318.62, 9,169,415.68 and 2,069,344.21 is: 3,103,825.99
Step by Step Solution
- Step 1: Write the proportion equation
6,113,318.62 : 9,169,415.68 = 2,069,344.21 : x - Step 2: Convert to fraction form
6,113,318.62/9,169,415.68 = 2,069,344.21/x - Step 3: Cross multiply
6,113,318.62x = 9,169,415.68 × 2,069,344.21 - Step 4: Simplify right side
6,113,318.62x = 18,974,677,200,644.13 - Step 5: Solve for x
x = 18,974,677,200,644.13/6,113,318.62 - Step 6: Final answer
x = 3,103,825.99
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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.