Finding the Fourth Proportional to 7,979,599.08, 11,971,079.87 and 2,587,829.09
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Solution
The fourth proportional to 7,979,599.08, 11,971,079.87 and 2,587,829.09 is: 3,882,288.87
Step by Step Solution
- Step 1: Write the proportion equation
7,979,599.08 : 11,971,079.87 = 2,587,829.09 : x - Step 2: Convert to fraction form
7,979,599.08/11,971,079.87 = 2,587,829.09/x - Step 3: Cross multiply
7,979,599.08x = 11,971,079.87 × 2,587,829.09 - Step 4: Simplify right side
7,979,599.08x = 30,979,108,726,299.41 - Step 5: Solve for x
x = 30,979,108,726,299.41/7,979,599.08 - Step 6: Final answer
x = 3,882,288.87
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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.