Finding the Fourth Proportional to 4,888,467.12, 6,743,016.04 and 2,900,195.04
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Solution
The fourth proportional to 4,888,467.12, 6,743,016.04 and 2,900,195.04 is: 4,000,448.65
Step by Step Solution
- Step 1: Write the proportion equation
4,888,467.12 : 6,743,016.04 = 2,900,195.04 : x - Step 2: Convert to fraction form
4,888,467.12/6,743,016.04 = 2,900,195.04/x - Step 3: Cross multiply
4,888,467.12x = 6,743,016.04 × 2,900,195.04 - Step 4: Simplify right side
4,888,467.12x = 19,556,061,673,848.44 - Step 5: Solve for x
x = 19,556,061,673,848.44/4,888,467.12 - Step 6: Final answer
x = 4,000,448.65
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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.