Finding the Fourth Proportional to 5,623,418.20, 7,760,303.12 and 3,045,098.84
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Solution
The fourth proportional to 5,623,418.20, 7,760,303.12 and 3,045,098.84 is: 4,202,228.82
Step by Step Solution
- Step 1: Write the proportion equation
5,623,418.20 : 7,760,303.12 = 3,045,098.84 : x - Step 2: Convert to fraction form
5,623,418.20/7,760,303.12 = 3,045,098.84/x - Step 3: Cross multiply
5,623,418.20x = 7,760,303.12 × 3,045,098.84 - Step 4: Simplify right side
5,623,418.20x = 23,630,890,028,760.38 - Step 5: Solve for x
x = 23,630,890,028,760.38/5,623,418.20 - Step 6: Final answer
x = 4,202,228.82
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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.