Finding the Fourth Proportional to 5,649,703.13, 8,478,287.18 and 2,658,120.41
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Solution
The fourth proportional to 5,649,703.13, 8,478,287.18 and 2,658,120.41 is: 3,988,936.70
Step by Step Solution
- Step 1: Write the proportion equation
5,649,703.13 : 8,478,287.18 = 2,658,120.41 : x - Step 2: Convert to fraction form
5,649,703.13/8,478,287.18 = 2,658,120.41/x - Step 3: Cross multiply
5,649,703.13x = 8,478,287.18 × 2,658,120.41 - Step 4: Simplify right side
5,649,703.13x = 22,536,308,139,317.30 - Step 5: Solve for x
x = 22,536,308,139,317.30/5,649,703.13 - Step 6: Final answer
x = 3,988,936.70
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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.