Finding the Fourth Proportional to 4,239,387.62, 6,356,673.25 and 2,893,181.09
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Solution
The fourth proportional to 4,239,387.62, 6,356,673.25 and 2,893,181.09 is: 4,338,128.16
Step by Step Solution
- Step 1: Write the proportion equation
4,239,387.62 : 6,356,673.25 = 2,893,181.09 : x - Step 2: Convert to fraction form
4,239,387.62/6,356,673.25 = 2,893,181.09/x - Step 3: Cross multiply
4,239,387.62x = 6,356,673.25 × 2,893,181.09 - Step 4: Simplify right side
4,239,387.62x = 18,391,006,803,192.52 - Step 5: Solve for x
x = 18,391,006,803,192.52/4,239,387.62 - Step 6: Final answer
x = 4,338,128.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.