Finding the Fourth Proportional to 1,495,512.48, 2,063,729.16 and 816,317.76
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Solution
The fourth proportional to 1,495,512.48, 2,063,729.16 and 816,317.76 is: 1,126,475.90
Step by Step Solution
- Step 1: Write the proportion equation
1,495,512.48 : 2,063,729.16 = 816,317.76 : x - Step 2: Convert to fraction form
1,495,512.48/2,063,729.16 = 816,317.76/x - Step 3: Cross multiply
1,495,512.48x = 2,063,729.16 × 816,317.76 - Step 4: Simplify right side
1,495,512.48x = 1,684,658,765,137.88 - Step 5: Solve for x
x = 1,684,658,765,137.88/1,495,512.48 - Step 6: Final answer
x = 1,126,475.90
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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.