Finding the Fourth Proportional to 2,081,044.80, 3,121,567.20 and 661,244.40
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Solution
The fourth proportional to 2,081,044.80, 3,121,567.20 and 661,244.40 is: 991,866.60
Step by Step Solution
- Step 1: Write the proportion equation
2,081,044.80 : 3,121,567.20 = 661,244.40 : x - Step 2: Convert to fraction form
2,081,044.80/3,121,567.20 = 661,244.40/x - Step 3: Cross multiply
2,081,044.80x = 3,121,567.20 × 661,244.40 - Step 4: Simplify right side
2,081,044.80x = 2,064,118,830,223.68 - Step 5: Solve for x
x = 2,064,118,830,223.68/2,081,044.80 - Step 6: Final answer
x = 991,866.60
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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.