Finding the Fourth Proportional to 5,199,879.13, 7,175,808.70 and 2,908,048.93
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Solution
The fourth proportional to 5,199,879.13, 7,175,808.70 and 2,908,048.93 is: 4,013,093.82
Step by Step Solution
- Step 1: Write the proportion equation
5,199,879.13 : 7,175,808.70 = 2,908,048.93 : x - Step 2: Convert to fraction form
5,199,879.13/7,175,808.70 = 2,908,048.93/x - Step 3: Cross multiply
5,199,879.13x = 7,175,808.70 × 2,908,048.93 - Step 4: Simplify right side
5,199,879.13x = 20,867,602,811,919.69 - Step 5: Solve for x
x = 20,867,602,811,919.69/5,199,879.13 - Step 6: Final answer
x = 4,013,093.82
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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.