Finding the Fourth Proportional to 2,127,588.07, 2,936,057.42 and 1,209,817.28
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Solution
The fourth proportional to 2,127,588.07, 2,936,057.42 and 1,209,817.28 is: 1,669,539.82
Step by Step Solution
- Step 1: Write the proportion equation
2,127,588.07 : 2,936,057.42 = 1,209,817.28 : x - Step 2: Convert to fraction form
2,127,588.07/2,936,057.42 = 1,209,817.28/x - Step 3: Cross multiply
2,127,588.07x = 2,936,057.42 × 1,209,817.28 - Step 4: Simplify right side
2,127,588.07x = 3,552,093,001,788.22 - Step 5: Solve for x
x = 3,552,093,001,788.22/2,127,588.07 - Step 6: Final answer
x = 1,669,539.82
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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.