Finding the Fourth Proportional to 3,686,722.48, 5,086,511.40 and 2,909,900.08
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Solution
The fourth proportional to 3,686,722.48, 5,086,511.40 and 2,909,900.08 is: 4,014,742.09
Step by Step Solution
- Step 1: Write the proportion equation
3,686,722.48 : 5,086,511.40 = 2,909,900.08 : x - Step 2: Convert to fraction form
3,686,722.48/5,086,511.40 = 2,909,900.08/x - Step 3: Cross multiply
3,686,722.48x = 5,086,511.40 × 2,909,900.08 - Step 4: Simplify right side
3,686,722.48x = 14,801,239,929,780.91 - Step 5: Solve for x
x = 14,801,239,929,780.91/3,686,722.48 - Step 6: Final answer
x = 4,014,742.09
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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.