Finding the Fourth Proportional to 4,811,686.29, 6,640,126.88 and 2,636,311.95
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Solution
The fourth proportional to 4,811,686.29, 6,640,126.88 and 2,636,311.95 is: 3,638,110.38
Step by Step Solution
- Step 1: Write the proportion equation
4,811,686.29 : 6,640,126.88 = 2,636,311.95 : x - Step 2: Convert to fraction form
4,811,686.29/6,640,126.88 = 2,636,311.95/x - Step 3: Cross multiply
4,811,686.29x = 6,640,126.88 × 2,636,311.95 - Step 4: Simplify right side
4,811,686.29x = 17,505,445,843,260.22 - Step 5: Solve for x
x = 17,505,445,843,260.22/4,811,686.29 - Step 6: Final answer
x = 3,638,110.38
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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.