Finding the Fourth Proportional to 1,651,938.48, 2,278,835.64 and 1,079,313.84
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Solution
The fourth proportional to 1,651,938.48, 2,278,835.64 and 1,079,313.84 is: 1,488,904.63
Step by Step Solution
- Step 1: Write the proportion equation
1,651,938.48 : 2,278,835.64 = 1,079,313.84 : x - Step 2: Convert to fraction form
1,651,938.48/2,278,835.64 = 1,079,313.84/x - Step 3: Cross multiply
1,651,938.48x = 2,278,835.64 × 1,079,313.84 - Step 4: Simplify right side
1,651,938.48x = 2,459,578,845,337.26 - Step 5: Solve for x
x = 2,459,578,845,337.26/1,651,938.48 - Step 6: Final answer
x = 1,488,904.63
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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.