Finding the Fourth Proportional to 2,154,950.05, 2,970,739.97 and 1,695,265.66
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Solution
The fourth proportional to 2,154,950.05, 2,970,739.97 and 1,695,265.66 is: 2,337,034.89
Step by Step Solution
- Step 1: Write the proportion equation
2,154,950.05 : 2,970,739.97 = 1,695,265.66 : x - Step 2: Convert to fraction form
2,154,950.05/2,970,739.97 = 1,695,265.66/x - Step 3: Cross multiply
2,154,950.05x = 2,970,739.97 × 1,695,265.66 - Step 4: Simplify right side
2,154,950.05x = 5,036,193,455,930.43 - Step 5: Solve for x
x = 5,036,193,455,930.43/2,154,950.05 - Step 6: Final answer
x = 2,337,034.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.