Finding the Fourth Proportional to 4,178,720.43, 6,267,905.51 and 1,338,769.71
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Solution
The fourth proportional to 4,178,720.43, 6,267,905.51 and 1,338,769.71 is: 2,008,098.45
Step by Step Solution
- Step 1: Write the proportion equation
4,178,720.43 : 6,267,905.51 = 1,338,769.71 : x - Step 2: Convert to fraction form
4,178,720.43/6,267,905.51 = 1,338,769.71/x - Step 3: Cross multiply
4,178,720.43x = 6,267,905.51 × 1,338,769.71 - Step 4: Simplify right side
4,178,720.43x = 8,391,282,035,236.25 - Step 5: Solve for x
x = 8,391,282,035,236.25/4,178,720.43 - Step 6: Final answer
x = 2,008,098.45
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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.