Finding the Fourth Proportional to 2,121,852.21, 3,182,747.13 and 524,415.44
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Solution
The fourth proportional to 2,121,852.21, 3,182,747.13 and 524,415.44 is: 786,615.45
Step by Step Solution
- Step 1: Write the proportion equation
2,121,852.21 : 3,182,747.13 = 524,415.44 : x - Step 2: Convert to fraction form
2,121,852.21/3,182,747.13 = 524,415.44/x - Step 3: Cross multiply
2,121,852.21x = 3,182,747.13 × 524,415.44 - Step 4: Simplify right side
2,121,852.21x = 1,669,081,736,587.69 - Step 5: Solve for x
x = 1,669,081,736,587.69/2,121,852.21 - Step 6: Final answer
x = 786,615.45
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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.