Finding the Fourth Proportional to 5,406,211.48, 7,460,591.61 and 2,925,432.17
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Solution
The fourth proportional to 5,406,211.48, 7,460,591.61 and 2,925,432.17 is: 4,037,107.10
Step by Step Solution
- Step 1: Write the proportion equation
5,406,211.48 : 7,460,591.61 = 2,925,432.17 : x - Step 2: Convert to fraction form
5,406,211.48/7,460,591.61 = 2,925,432.17/x - Step 3: Cross multiply
5,406,211.48x = 7,460,591.61 × 2,925,432.17 - Step 4: Simplify right side
5,406,211.48x = 21,825,454,740,129.38 - Step 5: Solve for x
x = 21,825,454,740,129.38/5,406,211.48 - Step 6: Final answer
x = 4,037,107.10
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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.