Finding the Fourth Proportional to 5,087,174.70, 7,630,762.05 and 1,891,639.65
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Solution
The fourth proportional to 5,087,174.70, 7,630,762.05 and 1,891,639.65 is: 2,837,459.48
Step by Step Solution
- Step 1: Write the proportion equation
5,087,174.70 : 7,630,762.05 = 1,891,639.65 : x - Step 2: Convert to fraction form
5,087,174.70/7,630,762.05 = 1,891,639.65/x - Step 3: Cross multiply
5,087,174.70x = 7,630,762.05 × 1,891,639.65 - Step 4: Simplify right side
5,087,174.70x = 14,434,652,053,495.28 - Step 5: Solve for x
x = 14,434,652,053,495.28/5,087,174.70 - Step 6: Final answer
x = 2,837,459.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.