Finding the Fourth Proportional to 4,276,955.20, 6,415,441.08 and 1,038,479.28
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Solution
The fourth proportional to 4,276,955.20, 6,415,441.08 and 1,038,479.28 is: 1,557,720.93
Step by Step Solution
- Step 1: Write the proportion equation
4,276,955.20 : 6,415,441.08 = 1,038,479.28 : x - Step 2: Convert to fraction form
4,276,955.20/6,415,441.08 = 1,038,479.28/x - Step 3: Cross multiply
4,276,955.20x = 6,415,441.08 × 1,038,479.28 - Step 4: Simplify right side
4,276,955.20x = 6,662,302,633,640.82 - Step 5: Solve for x
x = 6,662,302,633,640.82/4,276,955.20 - Step 6: Final answer
x = 1,557,720.93
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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.