Finding the Fourth Proportional to 3,649,077.80, 5,473,616.70 and 3,555,765.80
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Solution
The fourth proportional to 3,649,077.80, 5,473,616.70 and 3,555,765.80 is: 5,333,648.70
Step by Step Solution
- Step 1: Write the proportion equation
3,649,077.80 : 5,473,616.70 = 3,555,765.80 : x - Step 2: Convert to fraction form
3,649,077.80/5,473,616.70 = 3,555,765.80/x - Step 3: Cross multiply
3,649,077.80x = 5,473,616.70 × 3,555,765.80 - Step 4: Simplify right side
3,649,077.80x = 19,462,899,064,168.86 - Step 5: Solve for x
x = 19,462,899,064,168.86/3,649,077.80 - Step 6: Final answer
x = 5,333,648.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.