Finding the Fourth Proportional to 3,730,399.08, 5,147,950.98 and 2,120,767.08
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Solution
The fourth proportional to 3,730,399.08, 5,147,950.98 and 2,120,767.08 is: 2,926,658.71
Step by Step Solution
- Step 1: Write the proportion equation
3,730,399.08 : 5,147,950.98 = 2,120,767.08 : x - Step 2: Convert to fraction form
3,730,399.08/5,147,950.98 = 2,120,767.08/x - Step 3: Cross multiply
3,730,399.08x = 5,147,950.98 × 2,120,767.08 - Step 4: Simplify right side
3,730,399.08x = 10,917,604,967,837.74 - Step 5: Solve for x
x = 10,917,604,967,837.74/3,730,399.08 - Step 6: Final answer
x = 2,926,658.71
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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.