Finding the Fourth Proportional to 1,664,783.20, 2,498,341.20 and 1,067,197.60
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Solution
The fourth proportional to 1,664,783.20, 2,498,341.20 and 1,067,197.60 is: 1,601,544.11
Step by Step Solution
- Step 1: Write the proportion equation
1,664,783.20 : 2,498,341.20 = 1,067,197.60 : x - Step 2: Convert to fraction form
1,664,783.20/2,498,341.20 = 1,067,197.60/x - Step 3: Cross multiply
1,664,783.20x = 2,498,341.20 × 1,067,197.60 - Step 4: Simplify right side
1,664,783.20x = 2,666,223,732,621.12 - Step 5: Solve for x
x = 2,666,223,732,621.12/1,664,783.20 - Step 6: Final answer
x = 1,601,544.11
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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.