Finding the Fourth Proportional to 3,747,639.84, 5,612,946.12 and 2,932,948.32
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Solution
The fourth proportional to 3,747,639.84, 5,612,946.12 and 2,932,948.32 is: 4,392,759.60
Step by Step Solution
- Step 1: Write the proportion equation
3,747,639.84 : 5,612,946.12 = 2,932,948.32 : x - Step 2: Convert to fraction form
3,747,639.84/5,612,946.12 = 2,932,948.32/x - Step 3: Cross multiply
3,747,639.84x = 5,612,946.12 × 2,932,948.32 - Step 4: Simplify right side
3,747,639.84x = 16,462,480,892,904.52 - Step 5: Solve for x
x = 16,462,480,892,904.52/3,747,639.84 - Step 6: Final answer
x = 4,392,759.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.