Finding the Fourth Proportional to 3,162,815.97, 4,361,423.70 and 2,705,444.58
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Solution
The fourth proportional to 3,162,815.97, 4,361,423.70 and 2,705,444.58 is: 3,730,722.95
Step by Step Solution
- Step 1: Write the proportion equation
3,162,815.97 : 4,361,423.70 = 2,705,444.58 : x - Step 2: Convert to fraction form
3,162,815.97/4,361,423.70 = 2,705,444.58/x - Step 3: Cross multiply
3,162,815.97x = 4,361,423.70 × 2,705,444.58 - Step 4: Simplify right side
3,162,815.97x = 11,799,590,110,248.55 - Step 5: Solve for x
x = 11,799,590,110,248.55/3,162,815.97 - Step 6: Final answer
x = 3,730,722.95
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1.5x scale
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.