Finding the Fourth Proportional to 4,754,378.70, 6,562,213.38 and 2,919,276.72
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Solution
The fourth proportional to 4,754,378.70, 6,562,213.38 and 2,919,276.72 is: 4,029,320.75
Step by Step Solution
- Step 1: Write the proportion equation
4,754,378.70 : 6,562,213.38 = 2,919,276.72 : x - Step 2: Convert to fraction form
4,754,378.70/6,562,213.38 = 2,919,276.72/x - Step 3: Cross multiply
4,754,378.70x = 6,562,213.38 × 2,919,276.72 - Step 4: Simplify right side
4,754,378.70x = 19,156,916,751,906.52 - Step 5: Solve for x
x = 19,156,916,751,906.52/4,754,378.70 - Step 6: Final answer
x = 4,029,320.75
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1.5x scale
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.