Finding the Fourth Proportional to 1,497,481.41, 2,066,524.29 and 818,417.91
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Solution
The fourth proportional to 1,497,481.41, 2,066,524.29 and 818,417.91 is: 1,129,416.69
Step by Step Solution
- Step 1: Write the proportion equation
1,497,481.41 : 2,066,524.29 = 818,417.91 : x - Step 2: Convert to fraction form
1,497,481.41/2,066,524.29 = 818,417.91/x - Step 3: Cross multiply
1,497,481.41x = 2,066,524.29 × 818,417.91 - Step 4: Simplify right side
1,497,481.41x = 1,691,280,490,386.03 - Step 5: Solve for x
x = 1,691,280,490,386.03/1,497,481.41 - Step 6: Final answer
x = 1,129,416.69
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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.