Finding the Fourth Proportional to 4,276,956.63, 6,415,443.20 and 1,038,480.64
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Solution
The fourth proportional to 4,276,956.63, 6,415,443.20 and 1,038,480.64 is: 1,557,722.96
Step by Step Solution
- Step 1: Write the proportion equation
4,276,956.63 : 6,415,443.20 = 1,038,480.64 : x - Step 2: Convert to fraction form
4,276,956.63/6,415,443.20 = 1,038,480.64/x - Step 3: Cross multiply
4,276,956.63x = 6,415,443.20 × 1,038,480.64 - Step 4: Simplify right side
4,276,956.63x = 6,662,313,560,219.65 - Step 5: Solve for x
x = 6,662,313,560,219.65/4,276,956.63 - Step 6: Final answer
x = 1,557,722.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.