Finding the Fourth Proportional to 2,207,478.38, 3,046,572.68 and 1,227,515.12
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Solution
The fourth proportional to 2,207,478.38, 3,046,572.68 and 1,227,515.12 is: 1,694,111.28
Step by Step Solution
- Step 1: Write the proportion equation
2,207,478.38 : 3,046,572.68 = 1,227,515.12 : x - Step 2: Convert to fraction form
2,207,478.38/3,046,572.68 = 1,227,515.12/x - Step 3: Cross multiply
2,207,478.38x = 3,046,572.68 × 1,227,515.12 - Step 4: Simplify right side
2,207,478.38x = 3,739,714,028,878.92 - Step 5: Solve for x
x = 3,739,714,028,878.92/2,207,478.38 - Step 6: Final answer
x = 1,694,111.28
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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.