Finding the Fourth Proportional to 2,605,431.07, 3,914,153.57 and 2,497,815.55
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Solution
The fourth proportional to 2,605,431.07, 3,914,153.57 and 2,497,815.55 is: 3,752,482.18
Step by Step Solution
- Step 1: Write the proportion equation
2,605,431.07 : 3,914,153.57 = 2,497,815.55 : x - Step 2: Convert to fraction form
2,605,431.07/3,914,153.57 = 2,497,815.55/x - Step 3: Cross multiply
2,605,431.07x = 3,914,153.57 × 2,497,815.55 - Step 4: Simplify right side
2,605,431.07x = 9,776,833,652,234.01 - Step 5: Solve for x
x = 9,776,833,652,234.01/2,605,431.07 - Step 6: Final answer
x = 3,752,482.18
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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.