Finding the Fourth Proportional to 4,584,606.30, 6,876,909.45 and 2,193,121.80
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Solution
The fourth proportional to 4,584,606.30, 6,876,909.45 and 2,193,121.80 is: 3,289,682.70
Step by Step Solution
- Step 1: Write the proportion equation
4,584,606.30 : 6,876,909.45 = 2,193,121.80 : x - Step 2: Convert to fraction form
4,584,606.30/6,876,909.45 = 2,193,121.80/x - Step 3: Cross multiply
4,584,606.30x = 6,876,909.45 × 2,193,121.80 - Step 4: Simplify right side
4,584,606.30x = 15,081,900,031,421.01 - Step 5: Solve for x
x = 15,081,900,031,421.01/4,584,606.30 - Step 6: Final answer
x = 3,289,682.70
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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.