Finding the Fourth Proportional to 2,982,639.68, 4,116,045.44 and 1,693,480.07
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Solution
The fourth proportional to 2,982,639.68, 4,116,045.44 and 1,693,480.07 is: 2,337,004.02
Step by Step Solution
- Step 1: Write the proportion equation
2,982,639.68 : 4,116,045.44 = 1,693,480.07 : x - Step 2: Convert to fraction form
2,982,639.68/4,116,045.44 = 1,693,480.07/x - Step 3: Cross multiply
2,982,639.68x = 4,116,045.44 × 1,693,480.07 - Step 4: Simplify right side
2,982,639.68x = 6,970,440,919,854.38 - Step 5: Solve for x
x = 6,970,440,919,854.38/2,982,639.68 - Step 6: Final answer
x = 2,337,004.02
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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.