Finding the Fourth Proportional to 5,092,399.56, 7,027,371.12 and 2,800,560
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Solution
The fourth proportional to 5,092,399.56, 7,027,371.12 and 2,800,560 is: 3,864,695.66
Step by Step Solution
- Step 1: Write the proportion equation
5,092,399.56 : 7,027,371.12 = 2,800,560 : x - Step 2: Convert to fraction form
5,092,399.56/7,027,371.12 = 2,800,560/x - Step 3: Cross multiply
5,092,399.56x = 7,027,371.12 × 2,800,560 - Step 4: Simplify right side
5,092,399.56x = 19,680,574,463,827.20 - Step 5: Solve for x
x = 19,680,574,463,827.20/5,092,399.56 - Step 6: Final answer
x = 3,864,695.66
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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.