Finding the Fourth Proportional to 3,325,162.91, 4,588,775.75 and 1,948,177.14
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Solution
The fourth proportional to 3,325,162.91, 4,588,775.75 and 1,948,177.14 is: 2,688,514.30
Step by Step Solution
- Step 1: Write the proportion equation
3,325,162.91 : 4,588,775.75 = 1,948,177.14 : x - Step 2: Convert to fraction form
3,325,162.91/4,588,775.75 = 1,948,177.14/x - Step 3: Cross multiply
3,325,162.91x = 4,588,775.75 × 1,948,177.14 - Step 4: Simplify right side
3,325,162.91x = 8,939,748,006,995.47 - Step 5: Solve for x
x = 8,939,748,006,995.47/3,325,162.91 - Step 6: Final answer
x = 2,688,514.30
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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.