Finding the Fourth Proportional to 2,175,186.08, 3,001,673.36 and 1,208,377.17
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Solution
The fourth proportional to 2,175,186.08, 3,001,673.36 and 1,208,377.17 is: 1,667,514.15
Step by Step Solution
- Step 1: Write the proportion equation
2,175,186.08 : 3,001,673.36 = 1,208,377.17 : x - Step 2: Convert to fraction form
2,175,186.08/3,001,673.36 = 1,208,377.17/x - Step 3: Cross multiply
2,175,186.08x = 3,001,673.36 × 1,208,377.17 - Step 4: Simplify right side
2,175,186.08x = 3,627,153,563,042.13 - Step 5: Solve for x
x = 3,627,153,563,042.13/2,175,186.08 - Step 6: Final answer
x = 1,667,514.15
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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.