Finding the Fourth Proportional to 4,068,019.80, 6,102,029.70 and 3,123,235.80
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Solution
The fourth proportional to 4,068,019.80, 6,102,029.70 and 3,123,235.80 is: 4,684,853.70
Step by Step Solution
- Step 1: Write the proportion equation
4,068,019.80 : 6,102,029.70 = 3,123,235.80 : x - Step 2: Convert to fraction form
4,068,019.80/6,102,029.70 = 3,123,235.80/x - Step 3: Cross multiply
4,068,019.80x = 6,102,029.70 × 3,123,235.80 - Step 4: Simplify right side
4,068,019.80x = 19,058,077,611,703.26 - Step 5: Solve for x
x = 19,058,077,611,703.26/4,068,019.80 - Step 6: Final answer
x = 4,684,853.70
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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.