Finding the Fourth Proportional to 5,144,560.44, 7,099,623.76 and 2,821,545.44
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Solution
The fourth proportional to 5,144,560.44, 7,099,623.76 and 2,821,545.44 is: 3,893,804.20
Step by Step Solution
- Step 1: Write the proportion equation
5,144,560.44 : 7,099,623.76 = 2,821,545.44 : x - Step 2: Convert to fraction form
5,144,560.44/7,099,623.76 = 2,821,545.44/x - Step 3: Cross multiply
5,144,560.44x = 7,099,623.76 × 2,821,545.44 - Step 4: Simplify right side
5,144,560.44x = 20,031,911,045,743.65 - Step 5: Solve for x
x = 20,031,911,045,743.65/5,144,560.44 - Step 6: Final answer
x = 3,893,804.20
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1.5x scale
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.