Finding the Fourth Proportional to 4,315,551.61, 5,955,431.91 and 2,381,812.15
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Solution
The fourth proportional to 4,315,551.61, 5,955,431.91 and 2,381,812.15 is: 3,286,884.59
Step by Step Solution
- Step 1: Write the proportion equation
4,315,551.61 : 5,955,431.91 = 2,381,812.15 : x - Step 2: Convert to fraction form
4,315,551.61/5,955,431.91 = 2,381,812.15/x - Step 3: Cross multiply
4,315,551.61x = 5,955,431.91 × 2,381,812.15 - Step 4: Simplify right side
4,315,551.61x = 14,184,720,081,735.71 - Step 5: Solve for x
x = 14,184,720,081,735.71/4,315,551.61 - Step 6: Final answer
x = 3,286,884.59
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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.