Finding the Fourth Proportional to 3,653,725.11, 5,042,103.50 and 2,022,135.63
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Solution
The fourth proportional to 3,653,725.11, 5,042,103.50 and 2,022,135.63 is: 2,790,526.61
Step by Step Solution
- Step 1: Write the proportion equation
3,653,725.11 : 5,042,103.50 = 2,022,135.63 : x - Step 2: Convert to fraction form
3,653,725.11/5,042,103.50 = 2,022,135.63/x - Step 3: Cross multiply
3,653,725.11x = 5,042,103.50 × 2,022,135.63 - Step 4: Simplify right side
3,653,725.11x = 10,195,817,127,387.03 - Step 5: Solve for x
x = 10,195,817,127,387.03/3,653,725.11 - Step 6: Final answer
x = 2,790,526.61
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1.5x scale
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.