Finding the Fourth Proportional to 5,620,911.38, 8,430,799.64 and 3,810,898.07
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Solution
The fourth proportional to 5,620,911.38, 8,430,799.64 and 3,810,898.07 is: 5,715,962.39
Step by Step Solution
- Step 1: Write the proportion equation
5,620,911.38 : 8,430,799.64 = 3,810,898.07 : x - Step 2: Convert to fraction form
5,620,911.38/8,430,799.64 = 3,810,898.07/x - Step 3: Cross multiply
5,620,911.38x = 8,430,799.64 × 3,810,898.07 - Step 4: Simplify right side
5,620,911.38x = 32,128,918,034,046.23 - Step 5: Solve for x
x = 32,128,918,034,046.23/5,620,911.38 - Step 6: Final answer
x = 5,715,962.39
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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.