Finding the Fourth Proportional to 6,429,874.14, 8,873,340.75 and 3,529,534.68
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Solution
The fourth proportional to 6,429,874.14, 8,873,340.75 and 3,529,534.68 is: 4,870,820.68
Step by Step Solution
- Step 1: Write the proportion equation
6,429,874.14 : 8,873,340.75 = 3,529,534.68 : x - Step 2: Convert to fraction form
6,429,874.14/8,873,340.75 = 3,529,534.68/x - Step 3: Cross multiply
6,429,874.14x = 8,873,340.75 × 3,529,534.68 - Step 4: Simplify right side
6,429,874.14x = 31,318,763,904,582.21 - Step 5: Solve for x
x = 31,318,763,904,582.21/6,429,874.14 - Step 6: Final answer
x = 4,870,820.68
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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.