Finding the Fourth Proportional to 2,919,231.55, 4,378,847.33 and 2,116,748.35
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Solution
The fourth proportional to 2,919,231.55, 4,378,847.33 and 2,116,748.35 is: 3,175,122.53
Step by Step Solution
- Step 1: Write the proportion equation
2,919,231.55 : 4,378,847.33 = 2,116,748.35 : x - Step 2: Convert to fraction form
2,919,231.55/4,378,847.33 = 2,116,748.35/x - Step 3: Cross multiply
2,919,231.55x = 4,378,847.33 × 2,116,748.35 - Step 4: Simplify right side
2,919,231.55x = 9,268,917,860,679.41 - Step 5: Solve for x
x = 9,268,917,860,679.41/2,919,231.55 - Step 6: Final answer
x = 3,175,122.53
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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.