Finding the Fourth Proportional to 4,088,646.50, 5,642,369.50 and 2,253,170.65
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Solution
The fourth proportional to 4,088,646.50, 5,642,369.50 and 2,253,170.65 is: 3,109,396.06
Step by Step Solution
- Step 1: Write the proportion equation
4,088,646.50 : 5,642,369.50 = 2,253,170.65 : x - Step 2: Convert to fraction form
4,088,646.50/5,642,369.50 = 2,253,170.65/x - Step 3: Cross multiply
4,088,646.50x = 5,642,369.50 × 2,253,170.65 - Step 4: Simplify right side
4,088,646.50x = 12,713,221,334,116.32 - Step 5: Solve for x
x = 12,713,221,334,116.32/4,088,646.50 - Step 6: Final answer
x = 3,109,396.06
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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.