Finding the Fourth Proportional to 3,208,767.99, 4,813,160.19 and 812,612.88
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Solution
The fourth proportional to 3,208,767.99, 4,813,160.19 and 812,612.88 is: 1,218,921.40
Step by Step Solution
- Step 1: Write the proportion equation
3,208,767.99 : 4,813,160.19 = 812,612.88 : x - Step 2: Convert to fraction form
3,208,767.99/4,813,160.19 = 812,612.88/x - Step 3: Cross multiply
3,208,767.99x = 4,813,160.19 × 812,612.88 - Step 4: Simplify right side
3,208,767.99x = 3,911,235,963,897.25 - Step 5: Solve for x
x = 3,911,235,963,897.25/3,208,767.99 - Step 6: Final answer
x = 1,218,921.40
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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.