Finding the Fourth Proportional to 4,866,451.94, 6,713,471.49 and 3,148,126.58
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Solution
The fourth proportional to 4,866,451.94, 6,713,471.49 and 3,148,126.58 is: 4,342,970.67
Step by Step Solution
- Step 1: Write the proportion equation
4,866,451.94 : 6,713,471.49 = 3,148,126.58 : x - Step 2: Convert to fraction form
4,866,451.94/6,713,471.49 = 3,148,126.58/x - Step 3: Cross multiply
4,866,451.94x = 6,713,471.49 × 3,148,126.58 - Step 4: Simplify right side
4,866,451.94x = 21,134,858,041,741.21 - Step 5: Solve for x
x = 21,134,858,041,741.21/4,866,451.94 - Step 6: Final answer
x = 4,342,970.67
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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.