Finding the Fourth Proportional to 7,979,594.14, 11,971,072.47 and 2,587,824.15
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Solution
The fourth proportional to 7,979,594.14, 11,971,072.47 and 2,587,824.15 is: 3,882,281.47
Step by Step Solution
- Step 1: Write the proportion equation
7,979,594.14 : 11,971,072.47 = 2,587,824.15 : x - Step 2: Convert to fraction form
7,979,594.14/11,971,072.47 = 2,587,824.15/x - Step 3: Cross multiply
7,979,594.14x = 11,971,072.47 × 2,587,824.15 - Step 4: Simplify right side
7,979,594.14x = 30,979,030,439,266.15 - Step 5: Solve for x
x = 30,979,030,439,266.15/7,979,594.14 - Step 6: Final answer
x = 3,882,281.47
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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.