Finding the Fourth Proportional to 1,759,453.98, 2,639,134.80 and 561,449.40
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Solution
The fourth proportional to 1,759,453.98, 2,639,134.80 and 561,449.40 is: 842,159.37
Step by Step Solution
- Step 1: Write the proportion equation
1,759,453.98 : 2,639,134.80 = 561,449.40 : x - Step 2: Convert to fraction form
1,759,453.98/2,639,134.80 = 561,449.40/x - Step 3: Cross multiply
1,759,453.98x = 2,639,134.80 × 561,449.40 - Step 4: Simplify right side
1,759,453.98x = 1,481,740,649,979.12 - Step 5: Solve for x
x = 1,481,740,649,979.12/1,759,453.98 - Step 6: Final answer
x = 842,159.37
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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.