Finding the Fourth Proportional to 5,259,178.14, 7,889,949.45 and 1,665,159.90
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Solution
The fourth proportional to 5,259,178.14, 7,889,949.45 and 1,665,159.90 is: 2,498,114.17
Step by Step Solution
- Step 1: Write the proportion equation
5,259,178.14 : 7,889,949.45 = 1,665,159.90 : x - Step 2: Convert to fraction form
5,259,178.14/7,889,949.45 = 1,665,159.90/x - Step 3: Cross multiply
5,259,178.14x = 7,889,949.45 × 1,665,159.90 - Step 4: Simplify right side
5,259,178.14x = 13,138,027,437,167.05 - Step 5: Solve for x
x = 13,138,027,437,167.05/5,259,178.14 - Step 6: Final answer
x = 2,498,114.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.