Finding the Fourth Proportional to 3,678,057.80, 5,516,864.49 and 1,372,106.87
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Solution
The fourth proportional to 3,678,057.80, 5,516,864.49 and 1,372,106.87 is: 2,058,077.41
Step by Step Solution
- Step 1: Write the proportion equation
3,678,057.80 : 5,516,864.49 = 1,372,106.87 : x - Step 2: Convert to fraction form
3,678,057.80/5,516,864.49 = 1,372,106.87/x - Step 3: Cross multiply
3,678,057.80x = 5,516,864.49 × 1,372,106.87 - Step 4: Simplify right side
3,678,057.80x = 7,569,727,667,588.05 - Step 5: Solve for x
x = 7,569,727,667,588.05/3,678,057.80 - Step 6: Final answer
x = 2,058,077.41
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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.