Finding the Fourth Proportional to 3,221,479.96, 4,445,528.72 and 1,771,164.24
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Solution
The fourth proportional to 3,221,479.96, 4,445,528.72 and 1,771,164.24 is: 2,444,144.18
Step by Step Solution
- Step 1: Write the proportion equation
3,221,479.96 : 4,445,528.72 = 1,771,164.24 : x - Step 2: Convert to fraction form
3,221,479.96/4,445,528.72 = 1,771,164.24/x - Step 3: Cross multiply
3,221,479.96x = 4,445,528.72 × 1,771,164.24 - Step 4: Simplify right side
3,221,479.96x = 7,873,761,496,756.97 - Step 5: Solve for x
x = 7,873,761,496,756.97/3,221,479.96 - Step 6: Final answer
x = 2,444,144.18
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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.