Finding the Fourth Proportional to 4,914,780.13, 6,782,428.02 and 2,739,461.19
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Solution
The fourth proportional to 4,914,780.13, 6,782,428.02 and 2,739,461.19 is: 3,780,473.97
Step by Step Solution
- Step 1: Write the proportion equation
4,914,780.13 : 6,782,428.02 = 2,739,461.19 : x - Step 2: Convert to fraction form
4,914,780.13/6,782,428.02 = 2,739,461.19/x - Step 3: Cross multiply
4,914,780.13x = 6,782,428.02 × 2,739,461.19 - Step 4: Simplify right side
4,914,780.13x = 18,580,198,334,758.54 - Step 5: Solve for x
x = 18,580,198,334,758.54/4,914,780.13 - Step 6: Final answer
x = 3,780,473.97
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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.