Finding the Fourth Proportional to 5,787,218.01, 7,985,626.83 and 3,173,034.18
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Solution
The fourth proportional to 5,787,218.01, 7,985,626.83 and 3,173,034.18 is: 4,378,384.71
Step by Step Solution
- Step 1: Write the proportion equation
5,787,218.01 : 7,985,626.83 = 3,173,034.18 : x - Step 2: Convert to fraction form
5,787,218.01/7,985,626.83 = 3,173,034.18/x - Step 3: Cross multiply
5,787,218.01x = 7,985,626.83 × 3,173,034.18 - Step 4: Simplify right side
5,787,218.01x = 25,338,666,840,386.91 - Step 5: Solve for x
x = 25,338,666,840,386.91/5,787,218.01 - Step 6: Final answer
x = 4,378,384.71
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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.