Finding the Fourth Proportional to 4,524,687.90, 6,786,679.05 and 2,630,221.02
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Solution
The fourth proportional to 4,524,687.90, 6,786,679.05 and 2,630,221.02 is: 3,945,126.45
Step by Step Solution
- Step 1: Write the proportion equation
4,524,687.90 : 6,786,679.05 = 2,630,221.02 : x - Step 2: Convert to fraction form
4,524,687.90/6,786,679.05 = 2,630,221.02/x - Step 3: Cross multiply
4,524,687.90x = 6,786,679.05 × 2,630,221.02 - Step 4: Simplify right side
4,524,687.90x = 17,850,465,893,303.63 - Step 5: Solve for x
x = 17,850,465,893,303.63/4,524,687.90 - Step 6: Final answer
x = 3,945,126.45
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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.