Finding the Fourth Proportional to 3,787,296.25, 5,226,502.23 and 2,155,808.68
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Solution
The fourth proportional to 3,787,296.25, 5,226,502.23 and 2,155,808.68 is: 2,975,034.99
Step by Step Solution
- Step 1: Write the proportion equation
3,787,296.25 : 5,226,502.23 = 2,155,808.68 : x - Step 2: Convert to fraction form
3,787,296.25/5,226,502.23 = 2,155,808.68/x - Step 3: Cross multiply
3,787,296.25x = 5,226,502.23 × 2,155,808.68 - Step 4: Simplify right side
3,787,296.25x = 11,267,338,873,473.36 - Step 5: Solve for x
x = 11,267,338,873,473.36/3,787,296.25 - Step 6: Final answer
x = 2,975,034.99
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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.