Finding the Fourth Proportional to 5,518,273.85, 7,614,408.46 and 3,312,669.02
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Solution
The fourth proportional to 5,518,273.85, 7,614,408.46 and 3,312,669.02 is: 4,570,997.32
Step by Step Solution
- Step 1: Write the proportion equation
5,518,273.85 : 7,614,408.46 = 3,312,669.02 : x - Step 2: Convert to fraction form
5,518,273.85/7,614,408.46 = 3,312,669.02/x - Step 3: Cross multiply
5,518,273.85x = 7,614,408.46 × 3,312,669.02 - Step 4: Simplify right side
5,518,273.85x = 25,224,014,964,714.20 - Step 5: Solve for x
x = 25,224,014,964,714.20/5,518,273.85 - Step 6: Final answer
x = 4,570,997.32
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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.