Finding the Fourth Proportional to 2,949,873.24, 4,070,813.31 and 1,660,716.12
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Solution
The fourth proportional to 2,949,873.24, 4,070,813.31 and 1,660,716.12 is: 2,291,781.62
Step by Step Solution
- Step 1: Write the proportion equation
2,949,873.24 : 4,070,813.31 = 1,660,716.12 : x - Step 2: Convert to fraction form
2,949,873.24/4,070,813.31 = 1,660,716.12/x - Step 3: Cross multiply
2,949,873.24x = 4,070,813.31 × 1,660,716.12 - Step 4: Simplify right side
2,949,873.24x = 6,760,465,285,427.56 - Step 5: Solve for x
x = 6,760,465,285,427.56/2,949,873.24 - Step 6: Final answer
x = 2,291,781.62
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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.