Finding the Fourth Proportional to 3,230,125.14, 4,457,771.78 and 1,779,820.35
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Solution
The fourth proportional to 3,230,125.14, 4,457,771.78 and 1,779,820.35 is: 2,456,261.78
Step by Step Solution
- Step 1: Write the proportion equation
3,230,125.14 : 4,457,771.78 = 1,779,820.35 : x - Step 2: Convert to fraction form
3,230,125.14/4,457,771.78 = 1,779,820.35/x - Step 3: Cross multiply
3,230,125.14x = 4,457,771.78 × 1,779,820.35 - Step 4: Simplify right side
3,230,125.14x = 7,934,032,934,149.27 - Step 5: Solve for x
x = 7,934,032,934,149.27/3,230,125.14 - Step 6: Final answer
x = 2,456,261.78
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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.