Finding the Fourth Proportional to 2,134,438.32, 2,945,486.17 and 1,167,560.14
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Solution
The fourth proportional to 2,134,438.32, 2,945,486.17 and 1,167,560.14 is: 1,611,211.82
Step by Step Solution
- Step 1: Write the proportion equation
2,134,438.32 : 2,945,486.17 = 1,167,560.14 : x - Step 2: Convert to fraction form
2,134,438.32/2,945,486.17 = 1,167,560.14/x - Step 3: Cross multiply
2,134,438.32x = 2,945,486.17 × 1,167,560.14 - Step 4: Simplify right side
2,134,438.32x = 3,439,032,245,013.26 - Step 5: Solve for x
x = 3,439,032,245,013.26/2,134,438.32 - Step 6: Final answer
x = 1,611,211.82
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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.