Finding the Fourth Proportional to 1,639,729.90, 2,460,342.20 and 841,571.95
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Solution
The fourth proportional to 1,639,729.90, 2,460,342.20 and 841,571.95 is: 1,262,741.49
Step by Step Solution
- Step 1: Write the proportion equation
1,639,729.90 : 2,460,342.20 = 841,571.95 : x - Step 2: Convert to fraction form
1,639,729.90/2,460,342.20 = 841,571.95/x - Step 3: Cross multiply
1,639,729.90x = 2,460,342.20 × 841,571.95 - Step 4: Simplify right side
1,639,729.90x = 2,070,554,984,095.43 - Step 5: Solve for x
x = 2,070,554,984,095.43/1,639,729.90 - Step 6: Final answer
x = 1,262,741.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.