Finding the Fourth Proportional to 4,848,235.30, 7,272,463.68 and 1,436,457.86
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Solution
The fourth proportional to 4,848,235.30, 7,272,463.68 and 1,436,457.86 is: 2,154,719.59
Step by Step Solution
- Step 1: Write the proportion equation
4,848,235.30 : 7,272,463.68 = 1,436,457.86 : x - Step 2: Convert to fraction form
4,848,235.30/7,272,463.68 = 1,436,457.86/x - Step 3: Cross multiply
4,848,235.30x = 7,272,463.68 × 1,436,457.86 - Step 4: Simplify right side
4,848,235.30x = 10,446,587,578,338.21 - Step 5: Solve for x
x = 10,446,587,578,338.21/4,848,235.30 - Step 6: Final answer
x = 2,154,719.59
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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.