Finding the Fourth Proportional to 2,859,830.92, 4,290,337.26 and 838,141.12
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Solution
The fourth proportional to 2,859,830.92, 4,290,337.26 and 838,141.12 is: 1,257,384.85
Step by Step Solution
- Step 1: Write the proportion equation
2,859,830.92 : 4,290,337.26 = 838,141.12 : x - Step 2: Convert to fraction form
2,859,830.92/4,290,337.26 = 838,141.12/x - Step 3: Cross multiply
2,859,830.92x = 4,290,337.26 × 838,141.12 - Step 4: Simplify right side
2,859,830.92x = 3,595,908,076,274.13 - Step 5: Solve for x
x = 3,595,908,076,274.13/2,859,830.92 - Step 6: Final answer
x = 1,257,384.85
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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.