Finding the Fourth Proportional to 2,431,443.42, 3,649,632.99 and 1,217,889.66
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Solution
The fourth proportional to 2,431,443.42, 3,649,632.99 and 1,217,889.66 is: 1,828,070.62
Step by Step Solution
- Step 1: Write the proportion equation
2,431,443.42 : 3,649,632.99 = 1,217,889.66 : x - Step 2: Convert to fraction form
2,431,443.42/3,649,632.99 = 1,217,889.66/x - Step 3: Cross multiply
2,431,443.42x = 3,649,632.99 × 1,217,889.66 - Step 4: Simplify right side
2,431,443.42x = 4,444,850,281,315.88 - Step 5: Solve for x
x = 4,444,850,281,315.88/2,431,443.42 - Step 6: Final answer
x = 1,828,070.62
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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.