Finding the Fourth Proportional to 5,750,554.56, 7,935,787.47 and 3,172,198.20
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Solution
The fourth proportional to 5,750,554.56, 7,935,787.47 and 3,172,198.20 is: 4,377,645.75
Step by Step Solution
- Step 1: Write the proportion equation
5,750,554.56 : 7,935,787.47 = 3,172,198.20 : x - Step 2: Convert to fraction form
5,750,554.56/7,935,787.47 = 3,172,198.20/x - Step 3: Cross multiply
5,750,554.56x = 7,935,787.47 × 3,172,198.20 - Step 4: Simplify right side
5,750,554.56x = 25,173,890,727,916.55 - Step 5: Solve for x
x = 25,173,890,727,916.55/5,750,554.56 - Step 6: Final answer
x = 4,377,645.75
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1.5x scale
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.