Finding the Fourth Proportional to 3,619,666.71, 5,430,199.91 and 1,375,629.75
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Solution
The fourth proportional to 3,619,666.71, 5,430,199.91 and 1,375,629.75 is: 2,063,710.59
Step by Step Solution
- Step 1: Write the proportion equation
3,619,666.71 : 5,430,199.91 = 1,375,629.75 : x - Step 2: Convert to fraction form
3,619,666.71/5,430,199.91 = 1,375,629.75/x - Step 3: Cross multiply
3,619,666.71x = 5,430,199.91 × 1,375,629.75 - Step 4: Simplify right side
3,619,666.71x = 7,469,944,537,765.17 - Step 5: Solve for x
x = 7,469,944,537,765.17/3,619,666.71 - Step 6: Final answer
x = 2,063,710.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.