Finding the Fourth Proportional to 1,495,513.98, 2,063,731.23 and 816,319.26
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Solution
The fourth proportional to 1,495,513.98, 2,063,731.23 and 816,319.26 is: 1,126,477.97
Step by Step Solution
- Step 1: Write the proportion equation
1,495,513.98 : 2,063,731.23 = 816,319.26 : x - Step 2: Convert to fraction form
1,495,513.98/2,063,731.23 = 816,319.26/x - Step 3: Cross multiply
1,495,513.98x = 2,063,731.23 × 816,319.26 - Step 4: Simplify right side
1,495,513.98x = 1,684,663,550,512.49 - Step 5: Solve for x
x = 1,684,663,550,512.49/1,495,513.98 - Step 6: Final answer
x = 1,126,477.97
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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.