Finding the Fourth Proportional to 3,775,882.98, 5,660,032.32 and 1,215,216.18
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Solution
The fourth proportional to 3,775,882.98, 5,660,032.32 and 1,215,216.18 is: 1,821,603.82
Step by Step Solution
- Step 1: Write the proportion equation
3,775,882.98 : 5,660,032.32 = 1,215,216.18 : x - Step 2: Convert to fraction form
3,775,882.98/5,660,032.32 = 1,215,216.18/x - Step 3: Cross multiply
3,775,882.98x = 5,660,032.32 × 1,215,216.18 - Step 4: Simplify right side
3,775,882.98x = 6,878,162,854,586.94 - Step 5: Solve for x
x = 6,878,162,854,586.94/3,775,882.98 - Step 6: Final answer
x = 1,821,603.82
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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.