Finding the Fourth Proportional to 5,199,876.07, 7,175,804.48 and 2,908,045.87
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Solution
The fourth proportional to 5,199,876.07, 7,175,804.48 and 2,908,045.87 is: 4,013,089.60
Step by Step Solution
- Step 1: Write the proportion equation
5,199,876.07 : 7,175,804.48 = 2,908,045.87 : x - Step 2: Convert to fraction form
5,199,876.07/7,175,804.48 = 2,908,045.87/x - Step 3: Cross multiply
5,199,876.07x = 7,175,804.48 × 2,908,045.87 - Step 4: Simplify right side
5,199,876.07x = 20,867,568,560,416.93 - Step 5: Solve for x
x = 20,867,568,560,416.93/5,199,876.07 - Step 6: Final answer
x = 4,013,089.60
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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.