Finding the Fourth Proportional to 2,390,234.34, 3,298,439.70 and 1,343,623.62
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Solution
The fourth proportional to 2,390,234.34, 3,298,439.70 and 1,343,623.62 is: 1,854,153.55
Step by Step Solution
- Step 1: Write the proportion equation
2,390,234.34 : 3,298,439.70 = 1,343,623.62 : x - Step 2: Convert to fraction form
2,390,234.34/3,298,439.70 = 1,343,623.62/x - Step 3: Cross multiply
2,390,234.34x = 3,298,439.70 × 1,343,623.62 - Step 4: Simplify right side
2,390,234.34x = 4,431,861,490,065.72 - Step 5: Solve for x
x = 4,431,861,490,065.72/2,390,234.34 - Step 6: Final answer
x = 1,854,153.55
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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.