Finding the Fourth Proportional to 5,406,215.38, 7,460,596.99 and 2,925,436.07
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Solution
The fourth proportional to 5,406,215.38, 7,460,596.99 and 2,925,436.07 is: 4,037,112.47
Step by Step Solution
- Step 1: Write the proportion equation
5,406,215.38 : 7,460,596.99 = 2,925,436.07 : x - Step 2: Convert to fraction form
5,406,215.38/7,460,596.99 = 2,925,436.07/x - Step 3: Cross multiply
5,406,215.38x = 7,460,596.99 × 2,925,436.07 - Step 4: Simplify right side
5,406,215.38x = 21,825,499,538,279.43 - Step 5: Solve for x
x = 21,825,499,538,279.43/5,406,215.38 - Step 6: Final answer
x = 4,037,112.47
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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.