Finding the Fourth Proportional to 5,430,480.10, 8,145,720.15 and 1,644,151.30
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Solution
The fourth proportional to 5,430,480.10, 8,145,720.15 and 1,644,151.30 is: 2,466,226.95
Step by Step Solution
- Step 1: Write the proportion equation
5,430,480.10 : 8,145,720.15 = 1,644,151.30 : x - Step 2: Convert to fraction form
5,430,480.10/8,145,720.15 = 1,644,151.30/x - Step 3: Cross multiply
5,430,480.10x = 8,145,720.15 × 1,644,151.30 - Step 4: Simplify right side
5,430,480.10x = 13,392,796,374,058.70 - Step 5: Solve for x
x = 13,392,796,374,058.70/5,430,480.10 - Step 6: Final answer
x = 2,466,226.95
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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.