Finding the Fourth Proportional to 2,811,587.10, 3,879,995.46 and 1,571,197.42
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Solution
The fourth proportional to 2,811,587.10, 3,879,995.46 and 1,571,197.42 is: 2,168,255.38
Step by Step Solution
- Step 1: Write the proportion equation
2,811,587.10 : 3,879,995.46 = 1,571,197.42 : x - Step 2: Convert to fraction form
2,811,587.10/3,879,995.46 = 1,571,197.42/x - Step 3: Cross multiply
2,811,587.10x = 3,879,995.46 × 1,571,197.42 - Step 4: Simplify right side
2,811,587.10x = 6,096,238,856,363.71 - Step 5: Solve for x
x = 6,096,238,856,363.71/2,811,587.10 - Step 6: Final answer
x = 2,168,255.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.