Finding the Fourth Proportional to 6,116,643.65, 8,441,211.45 and 3,363,556.79
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Solution
The fourth proportional to 6,116,643.65, 8,441,211.45 and 3,363,556.79 is: 4,641,842.11
Step by Step Solution
- Step 1: Write the proportion equation
6,116,643.65 : 8,441,211.45 = 3,363,556.79 : x - Step 2: Convert to fraction form
6,116,643.65/8,441,211.45 = 3,363,556.79/x - Step 3: Cross multiply
6,116,643.65x = 8,441,211.45 × 3,363,556.79 - Step 4: Simplify right side
6,116,643.65x = 28,392,494,088,473.24 - Step 5: Solve for x
x = 28,392,494,088,473.24/6,116,643.65 - Step 6: Final answer
x = 4,641,842.11
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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.