Finding the Fourth Proportional to 1,626,988.50, 2,245,352.21 and 901,866.78
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Solution
The fourth proportional to 1,626,988.50, 2,245,352.21 and 901,866.78 is: 1,244,636.07
Step by Step Solution
- Step 1: Write the proportion equation
1,626,988.50 : 2,245,352.21 = 901,866.78 : x - Step 2: Convert to fraction form
1,626,988.50/2,245,352.21 = 901,866.78/x - Step 3: Cross multiply
1,626,988.50x = 2,245,352.21 × 901,866.78 - Step 4: Simplify right side
1,626,988.50x = 2,025,008,567,598.58 - Step 5: Solve for x
x = 2,025,008,567,598.58/1,626,988.50 - Step 6: Final answer
x = 1,244,636.07
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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.