Finding the Fourth Proportional to 4,918,973.76, 6,788,220.48 and 2,743,657.92
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Solution
The fourth proportional to 4,918,973.76, 6,788,220.48 and 2,743,657.92 is: 3,786,268.39
Step by Step Solution
- Step 1: Write the proportion equation
4,918,973.76 : 6,788,220.48 = 2,743,657.92 : x - Step 2: Convert to fraction form
4,918,973.76/6,788,220.48 = 2,743,657.92/x - Step 3: Cross multiply
4,918,973.76x = 6,788,220.48 × 2,743,657.92 - Step 4: Simplify right side
4,918,973.76x = 18,624,554,882,658.20 - Step 5: Solve for x
x = 18,624,554,882,658.20/4,918,973.76 - Step 6: Final answer
x = 3,786,268.39
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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.