Finding the Fourth Proportional to 2,318,754.90, 3,478,132.35 and 635,855.70
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Solution
The fourth proportional to 2,318,754.90, 3,478,132.35 and 635,855.70 is: 953,783.55
Step by Step Solution
- Step 1: Write the proportion equation
2,318,754.90 : 3,478,132.35 = 635,855.70 : x - Step 2: Convert to fraction form
2,318,754.90/3,478,132.35 = 635,855.70/x - Step 3: Cross multiply
2,318,754.90x = 3,478,132.35 × 635,855.70 - Step 4: Simplify right side
2,318,754.90x = 2,211,590,280,101.90 - Step 5: Solve for x
x = 2,211,590,280,101.90/2,318,754.90 - Step 6: Final answer
x = 953,783.55
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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.