Finding the Fourth Proportional to 5,660,436.80, 8,490,655.20 and 5,046,327.20
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Solution
The fourth proportional to 5,660,436.80, 8,490,655.20 and 5,046,327.20 is: 7,569,490.80
Step by Step Solution
- Step 1: Write the proportion equation
5,660,436.80 : 8,490,655.20 = 5,046,327.20 : x - Step 2: Convert to fraction form
5,660,436.80/8,490,655.20 = 5,046,327.20/x - Step 3: Cross multiply
5,660,436.80x = 8,490,655.20 × 5,046,327.20 - Step 4: Simplify right side
5,660,436.80x = 42,846,624,281,581.44 - Step 5: Solve for x
x = 42,846,624,281,581.44/5,660,436.80 - Step 6: Final answer
x = 7,569,490.80
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Similar ratio
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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.