Finding the Fourth Proportional to 5,698,140.28, 7,863,416.94 and 3,119,800.12
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Solution
The fourth proportional to 5,698,140.28, 7,863,416.94 and 3,119,800.12 is: 4,305,315.05
Step by Step Solution
- Step 1: Write the proportion equation
5,698,140.28 : 7,863,416.94 = 3,119,800.12 : x - Step 2: Convert to fraction form
5,698,140.28/7,863,416.94 = 3,119,800.12/x - Step 3: Cross multiply
5,698,140.28x = 7,863,416.94 × 3,119,800.12 - Step 4: Simplify right side
5,698,140.28x = 24,532,289,113,022.04 - Step 5: Solve for x
x = 24,532,289,113,022.04/5,698,140.28 - Step 6: Final answer
x = 4,305,315.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.