Finding the Fourth Proportional to 4,869,842.77, 6,718,751.06 and 2,804,816.99
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Solution
The fourth proportional to 4,869,842.77, 6,718,751.06 and 2,804,816.99 is: 3,869,707.51
Step by Step Solution
- Step 1: Write the proportion equation
4,869,842.77 : 6,718,751.06 = 2,804,816.99 : x - Step 2: Convert to fraction form
4,869,842.77/6,718,751.06 = 2,804,816.99/x - Step 3: Cross multiply
4,869,842.77x = 6,718,751.06 × 2,804,816.99 - Step 4: Simplify right side
4,869,842.77x = 18,844,867,124,668.51 - Step 5: Solve for x
x = 18,844,867,124,668.51/4,869,842.77 - Step 6: Final answer
x = 3,869,707.51
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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.