Finding the Fourth Proportional to 5,160,444.03, 7,120,975.28 and 2,837,211.75
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Solution
The fourth proportional to 5,160,444.03, 7,120,975.28 and 2,837,211.75 is: 3,915,111.69
Step by Step Solution
- Step 1: Write the proportion equation
5,160,444.03 : 7,120,975.28 = 2,837,211.75 : x - Step 2: Convert to fraction form
5,160,444.03/7,120,975.28 = 2,837,211.75/x - Step 3: Cross multiply
5,160,444.03x = 7,120,975.28 × 2,837,211.75 - Step 4: Simplify right side
5,160,444.03x = 20,203,714,721,689.48 - Step 5: Solve for x
x = 20,203,714,721,689.48/5,160,444.03 - Step 6: Final answer
x = 3,915,111.69
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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.