Finding the Fourth Proportional to 6,171,349.87, 8,515,814.46 and 3,417,965.14
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Solution
The fourth proportional to 6,171,349.87, 8,515,814.46 and 3,417,965.14 is: 4,716,432.80
Step by Step Solution
- Step 1: Write the proportion equation
6,171,349.87 : 8,515,814.46 = 3,417,965.14 : x - Step 2: Convert to fraction form
6,171,349.87/8,515,814.46 = 3,417,965.14/x - Step 3: Cross multiply
6,171,349.87x = 8,515,814.46 × 3,417,965.14 - Step 4: Simplify right side
6,171,349.87x = 29,106,756,962,987.93 - Step 5: Solve for x
x = 29,106,756,962,987.93/6,171,349.87 - Step 6: Final answer
x = 4,716,432.80
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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.