Finding the Fourth Proportional to 4,991,876.06, 6,888,649.19 and 2,816,621.62
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Solution
The fourth proportional to 4,991,876.06, 6,888,649.19 and 2,816,621.62 is: 3,886,858.97
Step by Step Solution
- Step 1: Write the proportion equation
4,991,876.06 : 6,888,649.19 = 2,816,621.62 : x - Step 2: Convert to fraction form
4,991,876.06/6,888,649.19 = 2,816,621.62/x - Step 3: Cross multiply
4,991,876.06x = 6,888,649.19 × 2,816,621.62 - Step 4: Simplify right side
4,991,876.06x = 19,402,718,209,844.76 - Step 5: Solve for x
x = 19,402,718,209,844.76/4,991,876.06 - Step 6: Final answer
x = 3,886,858.97
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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.