Finding the Fourth Proportional to 4,276,956.20, 6,415,442.58 and 1,038,480.28
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Solution
The fourth proportional to 4,276,956.20, 6,415,442.58 and 1,038,480.28 is: 1,557,722.43
Step by Step Solution
- Step 1: Write the proportion equation
4,276,956.20 : 6,415,442.58 = 1,038,480.28 : x - Step 2: Convert to fraction form
4,276,956.20/6,415,442.58 = 1,038,480.28/x - Step 3: Cross multiply
4,276,956.20x = 6,415,442.58 × 1,038,480.28 - Step 4: Simplify right side
4,276,956.20x = 6,662,310,606,802.32 - Step 5: Solve for x
x = 6,662,310,606,802.32/4,276,956.20 - Step 6: Final answer
x = 1,557,722.43
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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.