Finding the Fourth Proportional to 4,804,580.21, 6,630,320.43 and 2,629,123.52
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Solution
The fourth proportional to 4,804,580.21, 6,630,320.43 and 2,629,123.52 is: 3,628,190.32
Step by Step Solution
- Step 1: Write the proportion equation
4,804,580.21 : 6,630,320.43 = 2,629,123.52 : x - Step 2: Convert to fraction form
4,804,580.21/6,630,320.43 = 2,629,123.52/x - Step 3: Cross multiply
4,804,580.21x = 6,630,320.43 × 2,629,123.52 - Step 4: Simplify right side
4,804,580.21x = 17,431,931,387,649.51 - Step 5: Solve for x
x = 17,431,931,387,649.51/4,804,580.21 - Step 6: Final answer
x = 3,628,190.32
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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.