Finding the Fourth Proportional to 2,982,639.18, 4,116,044.75 and 1,693,479.57
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Solution
The fourth proportional to 2,982,639.18, 4,116,044.75 and 1,693,479.57 is: 2,337,003.32
Step by Step Solution
- Step 1: Write the proportion equation
2,982,639.18 : 4,116,044.75 = 1,693,479.57 : x - Step 2: Convert to fraction form
2,982,639.18/4,116,044.75 = 1,693,479.57/x - Step 3: Cross multiply
2,982,639.18x = 4,116,044.75 × 1,693,479.57 - Step 4: Simplify right side
2,982,639.18x = 6,970,437,664,283.14 - Step 5: Solve for x
x = 6,970,437,664,283.14/2,982,639.18 - Step 6: Final answer
x = 2,337,003.32
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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.