Finding the Fourth Proportional to 5,035,438.88, 6,948,818.16 and 2,743,618.40
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Solution
The fourth proportional to 5,035,438.88, 6,948,818.16 and 2,743,618.40 is: 3,786,145.72
Step by Step Solution
- Step 1: Write the proportion equation
5,035,438.88 : 6,948,818.16 = 2,743,618.40 : x - Step 2: Convert to fraction form
5,035,438.88/6,948,818.16 = 2,743,618.40/x - Step 3: Cross multiply
5,035,438.88x = 6,948,818.16 × 2,743,618.40 - Step 4: Simplify right side
5,035,438.88x = 19,064,905,362,030.14 - Step 5: Solve for x
x = 19,064,905,362,030.14/5,035,438.88 - Step 6: Final answer
x = 3,786,145.72
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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.