Finding the Fourth Proportional to 4,017,215.24, 5,543,738.10 and 2,181,660.68
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Solution
The fourth proportional to 4,017,215.24, 5,543,738.10 and 2,181,660.68 is: 3,010,681.46
Step by Step Solution
- Step 1: Write the proportion equation
4,017,215.24 : 5,543,738.10 = 2,181,660.68 : x - Step 2: Convert to fraction form
4,017,215.24/5,543,738.10 = 2,181,660.68/x - Step 3: Cross multiply
4,017,215.24x = 5,543,738.10 × 2,181,660.68 - Step 4: Simplify right side
4,017,215.24x = 12,094,555,432,987.91 - Step 5: Solve for x
x = 12,094,555,432,987.91/4,017,215.24 - Step 6: Final answer
x = 3,010,681.46
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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.