Finding the Fourth Proportional to 5,208,475.57, 7,187,695.35 and 2,885,519.07
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Solution
The fourth proportional to 5,208,475.57, 7,187,695.35 and 2,885,519.07 is: 3,982,015.80
Step by Step Solution
- Step 1: Write the proportion equation
5,208,475.57 : 7,187,695.35 = 2,885,519.07 : x - Step 2: Convert to fraction form
5,208,475.57/7,187,695.35 = 2,885,519.07/x - Step 3: Cross multiply
5,208,475.57x = 7,187,695.35 × 2,885,519.07 - Step 4: Simplify right side
5,208,475.57x = 20,740,231,995,085.80 - Step 5: Solve for x
x = 20,740,231,995,085.80/5,208,475.57 - Step 6: Final answer
x = 3,982,015.80
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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.