Finding the Fourth Proportional to 2,979,251.80, 4,468,877.70 and 735,389.80
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Solution
The fourth proportional to 2,979,251.80, 4,468,877.70 and 735,389.80 is: 1,103,084.70
Step by Step Solution
- Step 1: Write the proportion equation
2,979,251.80 : 4,468,877.70 = 735,389.80 : x - Step 2: Convert to fraction form
2,979,251.80/4,468,877.70 = 735,389.80/x - Step 3: Cross multiply
2,979,251.80x = 4,468,877.70 × 735,389.80 - Step 4: Simplify right side
2,979,251.80x = 3,286,367,078,027.46 - Step 5: Solve for x
x = 3,286,367,078,027.46/2,979,251.80 - Step 6: Final answer
x = 1,103,084.70
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1.5x scale
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.