Finding the Fourth Proportional to 4,290,204.79, 5,920,525.34 and 2,330,121.13
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Solution
The fourth proportional to 4,290,204.79, 5,920,525.34 and 2,330,121.13 is: 3,215,590.36
Step by Step Solution
- Step 1: Write the proportion equation
4,290,204.79 : 5,920,525.34 = 2,330,121.13 : x - Step 2: Convert to fraction form
4,290,204.79/5,920,525.34 = 2,330,121.13/x - Step 3: Cross multiply
4,290,204.79x = 5,920,525.34 × 2,330,121.13 - Step 4: Simplify right side
4,290,204.79x = 13,795,541,177,720.47 - Step 5: Solve for x
x = 13,795,541,177,720.47/4,290,204.79 - Step 6: Final answer
x = 3,215,590.36
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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.