Finding the Fourth Proportional to 4,315,555.11, 5,955,436.71 and 2,381,815.65
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Solution
The fourth proportional to 4,315,555.11, 5,955,436.71 and 2,381,815.65 is: 3,286,889.40
Step by Step Solution
- Step 1: Write the proportion equation
4,315,555.11 : 5,955,436.71 = 2,381,815.65 : x - Step 2: Convert to fraction form
4,315,555.11/5,955,436.71 = 2,381,815.65/x - Step 3: Cross multiply
4,315,555.11x = 5,955,436.71 × 2,381,815.65 - Step 4: Simplify right side
4,315,555.11x = 14,184,752,358,462.51 - Step 5: Solve for x
x = 14,184,752,358,462.51/4,315,555.11 - Step 6: Final answer
x = 3,286,889.40
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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.