Finding the Fourth Proportional to 4,991,971.28, 6,888,327.88 and 2,816,387.44
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Solution
The fourth proportional to 4,991,971.28, 6,888,327.88 and 2,816,387.44 is: 3,886,280.40
Step by Step Solution
- Step 1: Write the proportion equation
4,991,971.28 : 6,888,327.88 = 2,816,387.44 : x - Step 2: Convert to fraction form
4,991,971.28/6,888,327.88 = 2,816,387.44/x - Step 3: Cross multiply
4,991,971.28x = 6,888,327.88 × 2,816,387.44 - Step 4: Simplify right side
4,991,971.28x = 19,400,200,123,833.83 - Step 5: Solve for x
x = 19,400,200,123,833.83/4,991,971.28 - Step 6: Final answer
x = 3,886,280.40
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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.