Finding the Fourth Proportional to 7,162,235.16, 10,736,871.70 and 2,612,217.20
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Solution
The fourth proportional to 7,162,235.16, 10,736,871.70 and 2,612,217.20 is: 3,915,962.03
Step by Step Solution
- Step 1: Write the proportion equation
7,162,235.16 : 10,736,871.70 = 2,612,217.20 : x - Step 2: Convert to fraction form
7,162,235.16/10,736,871.70 = 2,612,217.20/x - Step 3: Cross multiply
7,162,235.16x = 10,736,871.70 × 2,612,217.20 - Step 4: Simplify right side
7,162,235.16x = 28,047,040,928,933.24 - Step 5: Solve for x
x = 28,047,040,928,933.24/7,162,235.16 - Step 6: Final answer
x = 3,915,962.03
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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.