Finding the Fourth Proportional to 7,287,226.80, 10,930,840.20 and 2,237,881.20
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Solution
The fourth proportional to 7,287,226.80, 10,930,840.20 and 2,237,881.20 is: 3,356,821.80
Step by Step Solution
- Step 1: Write the proportion equation
7,287,226.80 : 10,930,840.20 = 2,237,881.20 : x - Step 2: Convert to fraction form
7,287,226.80/10,930,840.20 = 2,237,881.20/x - Step 3: Cross multiply
7,287,226.80x = 10,930,840.20 × 2,237,881.20 - Step 4: Simplify right side
7,287,226.80x = 24,461,921,783,784.24 - Step 5: Solve for x
x = 24,461,921,783,784.24/7,287,226.80 - Step 6: Final answer
x = 3,356,821.80
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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.