Finding the Fourth Proportional to 2,756,157.18, 4,134,787.62 and 1,543,458.37
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Solution
The fourth proportional to 2,756,157.18, 4,134,787.62 and 1,543,458.37 is: 2,315,496.59
Step by Step Solution
- Step 1: Write the proportion equation
2,756,157.18 : 4,134,787.62 = 1,543,458.37 : x - Step 2: Convert to fraction form
2,756,157.18/4,134,787.62 = 1,543,458.37/x - Step 3: Cross multiply
2,756,157.18x = 4,134,787.62 × 1,543,458.37 - Step 4: Simplify right side
2,756,157.18x = 6,381,872,560,261.38 - Step 5: Solve for x
x = 6,381,872,560,261.38/2,756,157.18 - Step 6: Final answer
x = 2,315,496.59
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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.