Finding the Fourth Proportional to 1,902,166.41, 2,851,463.54 and 639,110.73
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Solution
The fourth proportional to 1,902,166.41, 2,851,463.54 and 639,110.73 is: 958,065.99
Step by Step Solution
- Step 1: Write the proportion equation
1,902,166.41 : 2,851,463.54 = 639,110.73 : x - Step 2: Convert to fraction form
1,902,166.41/2,851,463.54 = 639,110.73/x - Step 3: Cross multiply
1,902,166.41x = 2,851,463.54 × 639,110.73 - Step 4: Simplify right side
1,902,166.41x = 1,822,400,941,422.23 - Step 5: Solve for x
x = 1,822,400,941,422.23/1,902,166.41 - Step 6: Final answer
x = 958,065.99
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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.