Finding the Fourth Proportional to 1,761,556.08, 2,642,747.76 and 547,070.70
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Solution
The fourth proportional to 1,761,556.08, 2,642,747.76 and 547,070.70 is: 820,734.51
Step by Step Solution
- Step 1: Write the proportion equation
1,761,556.08 : 2,642,747.76 = 547,070.70 : x - Step 2: Convert to fraction form
1,761,556.08/2,642,747.76 = 547,070.70/x - Step 3: Cross multiply
1,761,556.08x = 2,642,747.76 × 547,070.70 - Step 4: Simplify right side
1,761,556.08x = 1,445,769,866,986.63 - Step 5: Solve for x
x = 1,445,769,866,986.63/1,761,556.08 - Step 6: Final answer
x = 820,734.51
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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.