Finding the Fourth Proportional to 4,187,898.97, 5,778,404.08 and 2,444,777.21
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Solution
The fourth proportional to 4,187,898.97, 5,778,404.08 and 2,444,777.21 is: 3,373,269.20
Step by Step Solution
- Step 1: Write the proportion equation
4,187,898.97 : 5,778,404.08 = 2,444,777.21 : x - Step 2: Convert to fraction form
4,187,898.97/5,778,404.08 = 2,444,777.21/x - Step 3: Cross multiply
4,187,898.97x = 5,778,404.08 × 2,444,777.21 - Step 4: Simplify right side
4,187,898.97x = 14,126,910,613,289.08 - Step 5: Solve for x
x = 14,126,910,613,289.08/4,187,898.97 - Step 6: Final answer
x = 3,373,269.20
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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.