Finding the Fourth Proportional to 3,236,356.40, 4,859,783.40 and 2,176,098.80
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Solution
The fourth proportional to 3,236,356.40, 4,859,783.40 and 2,176,098.80 is: 3,267,677.45
Step by Step Solution
- Step 1: Write the proportion equation
3,236,356.40 : 4,859,783.40 = 2,176,098.80 : x - Step 2: Convert to fraction form
3,236,356.40/4,859,783.40 = 2,176,098.80/x - Step 3: Cross multiply
3,236,356.40x = 4,859,783.40 × 2,176,098.80 - Step 4: Simplify right side
3,236,356.40x = 10,575,368,824,999.92 - Step 5: Solve for x
x = 10,575,368,824,999.92/3,236,356.40 - Step 6: Final answer
x = 3,267,677.45
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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.