Finding the Fourth Proportional to 1,627,236.78, 2,440,987.99 and 817,204.60
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Solution
The fourth proportional to 1,627,236.78, 2,440,987.99 and 817,204.60 is: 1,225,873.61
Step by Step Solution
- Step 1: Write the proportion equation
1,627,236.78 : 2,440,987.99 = 817,204.60 : x - Step 2: Convert to fraction form
1,627,236.78/2,440,987.99 = 817,204.60/x - Step 3: Cross multiply
1,627,236.78x = 2,440,987.99 × 817,204.60 - Step 4: Simplify right side
1,627,236.78x = 1,994,786,614,994.26 - Step 5: Solve for x
x = 1,994,786,614,994.26/1,627,236.78 - Step 6: Final answer
x = 1,225,873.61
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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.