Finding the Fourth Proportional to 4,665,801.60, 6,439,188.96 and 2,628,748.80
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Solution
The fourth proportional to 4,665,801.60, 6,439,188.96 and 2,628,748.80 is: 3,627,888.99
Step by Step Solution
- Step 1: Write the proportion equation
4,665,801.60 : 6,439,188.96 = 2,628,748.80 : x - Step 2: Convert to fraction form
4,665,801.60/6,439,188.96 = 2,628,748.80/x - Step 3: Cross multiply
4,665,801.60x = 6,439,188.96 × 2,628,748.80 - Step 4: Simplify right side
4,665,801.60x = 16,927,010,251,573.25 - Step 5: Solve for x
x = 16,927,010,251,573.25/4,665,801.60 - Step 6: Final answer
x = 3,627,888.99
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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.