Finding the Fourth Proportional to 4,381,919.20, 6,572,878.80 and 1,542,008.80
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Solution
The fourth proportional to 4,381,919.20, 6,572,878.80 and 1,542,008.80 is: 2,313,013.20
Step by Step Solution
- Step 1: Write the proportion equation
4,381,919.20 : 6,572,878.80 = 1,542,008.80 : x - Step 2: Convert to fraction form
4,381,919.20/6,572,878.80 = 1,542,008.80/x - Step 3: Cross multiply
4,381,919.20x = 6,572,878.80 × 1,542,008.80 - Step 4: Simplify right side
4,381,919.20x = 10,135,436,950,933.44 - Step 5: Solve for x
x = 10,135,436,950,933.44/4,381,919.20 - Step 6: Final answer
x = 2,313,013.20
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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.