Finding the Fourth Proportional to 4,914,655.47, 6,782,039.57 and 2,849,758.19
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Solution
The fourth proportional to 4,914,655.47, 6,782,039.57 and 2,849,758.19 is: 3,932,559.03
Step by Step Solution
- Step 1: Write the proportion equation
4,914,655.47 : 6,782,039.57 = 2,849,758.19 : x - Step 2: Convert to fraction form
4,914,655.47/6,782,039.57 = 2,849,758.19/x - Step 3: Cross multiply
4,914,655.47x = 6,782,039.57 × 2,849,758.19 - Step 4: Simplify right side
4,914,655.47x = 19,327,172,761,352.59 - Step 5: Solve for x
x = 19,327,172,761,352.59/4,914,655.47 - Step 6: Final answer
x = 3,932,559.03
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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.