Finding the Fourth Proportional to 2,580,811.98, 3,561,720.03 and 1,548,358.62
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Solution
The fourth proportional to 2,580,811.98, 3,561,720.03 and 1,548,358.62 is: 2,136,854.58
Step by Step Solution
- Step 1: Write the proportion equation
2,580,811.98 : 3,561,720.03 = 1,548,358.62 : x - Step 2: Convert to fraction form
2,580,811.98/3,561,720.03 = 1,548,358.62/x - Step 3: Cross multiply
2,580,811.98x = 3,561,720.03 × 1,548,358.62 - Step 4: Simplify right side
2,580,811.98x = 5,514,819,910,477.16 - Step 5: Solve for x
x = 5,514,819,910,477.16/2,580,811.98 - Step 6: Final answer
x = 2,136,854.58
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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.