Finding the Fourth Proportional to 3,868,021.08, 5,332,325.58 and 2,718,533.88
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Solution
The fourth proportional to 3,868,021.08, 5,332,325.58 and 2,718,533.88 is: 3,747,680.65
Step by Step Solution
- Step 1: Write the proportion equation
3,868,021.08 : 5,332,325.58 = 2,718,533.88 : x - Step 2: Convert to fraction form
3,868,021.08/5,332,325.58 = 2,718,533.88/x - Step 3: Cross multiply
3,868,021.08x = 5,332,325.58 × 2,718,533.88 - Step 4: Simplify right side
3,868,021.08x = 14,496,107,748,420.65 - Step 5: Solve for x
x = 14,496,107,748,420.65/3,868,021.08 - Step 6: Final answer
x = 3,747,680.65
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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.