Finding the Fourth Proportional to 4,242,454.74, 5,860,491.21 and 4,084,965.90
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Solution
The fourth proportional to 4,242,454.74, 5,860,491.21 and 4,084,965.90 is: 5,642,937.45
Step by Step Solution
- Step 1: Write the proportion equation
4,242,454.74 : 5,860,491.21 = 4,084,965.90 : x - Step 2: Convert to fraction form
4,242,454.74/5,860,491.21 = 4,084,965.90/x - Step 3: Cross multiply
4,242,454.74x = 5,860,491.21 × 4,084,965.90 - Step 4: Simplify right side
4,242,454.74x = 23,939,906,750,099.74 - Step 5: Solve for x
x = 23,939,906,750,099.74/4,242,454.74 - Step 6: Final answer
x = 5,642,937.45
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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.