Finding the Fourth Proportional to 1,958,006.62, 2,702,220.11 and 1,142,473.04
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Solution
The fourth proportional to 1,958,006.62, 2,702,220.11 and 1,142,473.04 is: 1,576,712.56
Step by Step Solution
- Step 1: Write the proportion equation
1,958,006.62 : 2,702,220.11 = 1,142,473.04 : x - Step 2: Convert to fraction form
1,958,006.62/2,702,220.11 = 1,142,473.04/x - Step 3: Cross multiply
1,958,006.62x = 2,702,220.11 × 1,142,473.04 - Step 4: Simplify right side
1,958,006.62x = 3,087,213,623,820.83 - Step 5: Solve for x
x = 3,087,213,623,820.83/1,958,006.62 - Step 6: Final answer
x = 1,576,712.56
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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.