Finding the Fourth Proportional to 2,154,775.07, 2,973,609.88 and 1,187,939.96
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Solution
The fourth proportional to 2,154,775.07, 2,973,609.88 and 1,187,939.96 is: 1,639,368.32
Step by Step Solution
- Step 1: Write the proportion equation
2,154,775.07 : 2,973,609.88 = 1,187,939.96 : x - Step 2: Convert to fraction form
2,154,775.07/2,973,609.88 = 1,187,939.96/x - Step 3: Cross multiply
2,154,775.07x = 2,973,609.88 × 1,187,939.96 - Step 4: Simplify right side
2,154,775.07x = 3,532,469,991,866.93 - Step 5: Solve for x
x = 3,532,469,991,866.93/2,154,775.07 - Step 6: Final answer
x = 1,639,368.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.