Finding the Fourth Proportional to 2,294,480.79, 3,166,386.12 and 1,275,863.67
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Solution
The fourth proportional to 2,294,480.79, 3,166,386.12 and 1,275,863.67 is: 1,760,693.33
Step by Step Solution
- Step 1: Write the proportion equation
2,294,480.79 : 3,166,386.12 = 1,275,863.67 : x - Step 2: Convert to fraction form
2,294,480.79/3,166,386.12 = 1,275,863.67/x - Step 3: Cross multiply
2,294,480.79x = 3,166,386.12 × 1,275,863.67 - Step 4: Simplify right side
2,294,480.79x = 4,039,877,015,700.26 - Step 5: Solve for x
x = 4,039,877,015,700.26/2,294,480.79 - Step 6: Final answer
x = 1,760,693.33
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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.