Finding the Fourth Proportional to 3,451,688.44, 5,178,280.05 and 1,321,772.65
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Solution
The fourth proportional to 3,451,688.44, 5,178,280.05 and 1,321,772.65 is: 1,982,945.17
Step by Step Solution
- Step 1: Write the proportion equation
3,451,688.44 : 5,178,280.05 = 1,321,772.65 : x - Step 2: Convert to fraction form
3,451,688.44/5,178,280.05 = 1,321,772.65/x - Step 3: Cross multiply
3,451,688.44x = 5,178,280.05 × 1,321,772.65 - Step 4: Simplify right side
3,451,688.44x = 6,844,508,931,184.93 - Step 5: Solve for x
x = 6,844,508,931,184.93/3,451,688.44 - Step 6: Final answer
x = 1,982,945.17
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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.