Finding the Fourth Proportional to 4,375,341.60, 6,552,514.80 and 2,128,855.20
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Solution
The fourth proportional to 4,375,341.60, 6,552,514.80 and 2,128,855.20 is: 3,188,175.11
Step by Step Solution
- Step 1: Write the proportion equation
4,375,341.60 : 6,552,514.80 = 2,128,855.20 : x - Step 2: Convert to fraction form
4,375,341.60/6,552,514.80 = 2,128,855.20/x - Step 3: Cross multiply
4,375,341.60x = 6,552,514.80 × 2,128,855.20 - Step 4: Simplify right side
4,375,341.60x = 13,949,355,205,056.96 - Step 5: Solve for x
x = 13,949,355,205,056.96/4,375,341.60 - Step 6: Final answer
x = 3,188,175.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.