Finding the Fourth Proportional to 1,690,438.44, 2,538,816.66 and 1,488,106.92
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Solution
The fourth proportional to 1,690,438.44, 2,538,816.66 and 1,488,106.92 is: 2,234,941.27
Step by Step Solution
- Step 1: Write the proportion equation
1,690,438.44 : 2,538,816.66 = 1,488,106.92 : x - Step 2: Convert to fraction form
1,690,438.44/2,538,816.66 = 1,488,106.92/x - Step 3: Cross multiply
1,690,438.44x = 2,538,816.66 × 1,488,106.92 - Step 4: Simplify right side
1,690,438.44x = 3,778,030,640,357.29 - Step 5: Solve for x
x = 3,778,030,640,357.29/1,690,438.44 - Step 6: Final answer
x = 2,234,941.27
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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.