Finding the Fourth Proportional to 2,086,980.40, 2,878,694.76 and 1,433,290.96
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Solution
The fourth proportional to 2,086,980.40, 2,878,694.76 and 1,433,290.96 is: 1,977,022.48
Step by Step Solution
- Step 1: Write the proportion equation
2,086,980.40 : 2,878,694.76 = 1,433,290.96 : x - Step 2: Convert to fraction form
2,086,980.40/2,878,694.76 = 1,433,290.96/x - Step 3: Cross multiply
2,086,980.40x = 2,878,694.76 × 1,433,290.96 - Step 4: Simplify right side
2,086,980.40x = 4,126,007,176,107.37 - Step 5: Solve for x
x = 4,126,007,176,107.37/2,086,980.40 - Step 6: Final answer
x = 1,977,022.48
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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.