Finding the Fourth Proportional to 2,021,104.11, 2,789,130 and 1,295,954.70
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Solution
The fourth proportional to 2,021,104.11, 2,789,130 and 1,295,954.70 is: 1,788,421.54
Step by Step Solution
- Step 1: Write the proportion equation
2,021,104.11 : 2,789,130 = 1,295,954.70 : x - Step 2: Convert to fraction form
2,021,104.11/2,789,130 = 1,295,954.70/x - Step 3: Cross multiply
2,021,104.11x = 2,789,130 × 1,295,954.70 - Step 4: Simplify right side
2,021,104.11x = 3,614,586,132,411 - Step 5: Solve for x
x = 3,614,586,132,411/2,021,104.11 - Step 6: Final answer
x = 1,788,421.54
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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.