Finding the Fourth Proportional to 1,982,073.96, 2,735,645.40 and 1,292,548.68
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Solution
The fourth proportional to 1,982,073.96, 2,735,645.40 and 1,292,548.68 is: 1,783,967.16
Step by Step Solution
- Step 1: Write the proportion equation
1,982,073.96 : 2,735,645.40 = 1,292,548.68 : x - Step 2: Convert to fraction form
1,982,073.96/2,735,645.40 = 1,292,548.68/x - Step 3: Cross multiply
1,982,073.96x = 2,735,645.40 × 1,292,548.68 - Step 4: Simplify right side
1,982,073.96x = 3,535,954,850,718.07 - Step 5: Solve for x
x = 3,535,954,850,718.07/1,982,073.96 - Step 6: Final answer
x = 1,783,967.16
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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.