Finding the Fourth Proportional to 3,200,291.98, 4,800,309.48 and 1,763,822.99
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Solution
The fourth proportional to 3,200,291.98, 4,800,309.48 and 1,763,822.99 is: 2,645,663.67
Step by Step Solution
- Step 1: Write the proportion equation
3,200,291.98 : 4,800,309.48 = 1,763,822.99 : x - Step 2: Convert to fraction form
3,200,291.98/4,800,309.48 = 1,763,822.99/x - Step 3: Cross multiply
3,200,291.98x = 4,800,309.48 × 1,763,822.99 - Step 4: Simplify right side
3,200,291.98x = 8,466,896,231,939.72 - Step 5: Solve for x
x = 8,466,896,231,939.72/3,200,291.98 - Step 6: Final answer
x = 2,645,663.67
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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.