Finding the Fourth Proportional to 1,352,367.81, 1,866,312.09 and 740,546.37
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Solution
The fourth proportional to 1,352,367.81, 1,866,312.09 and 740,546.37 is: 1,021,978.37
Step by Step Solution
- Step 1: Write the proportion equation
1,352,367.81 : 1,866,312.09 = 740,546.37 : x - Step 2: Convert to fraction form
1,352,367.81/1,866,312.09 = 740,546.37/x - Step 3: Cross multiply
1,352,367.81x = 1,866,312.09 × 740,546.37 - Step 4: Simplify right side
1,352,367.81x = 1,382,090,643,536.61 - Step 5: Solve for x
x = 1,382,090,643,536.61/1,352,367.81 - Step 6: Final answer
x = 1,021,978.37
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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.