Finding the Fourth Proportional to 2,034,938.31, 2,808,247.80 and 1,117,252.05
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Solution
The fourth proportional to 2,034,938.31, 2,808,247.80 and 1,117,252.05 is: 1,541,825.91
Step by Step Solution
- Step 1: Write the proportion equation
2,034,938.31 : 2,808,247.80 = 1,117,252.05 : x - Step 2: Convert to fraction form
2,034,938.31/2,808,247.80 = 1,117,252.05/x - Step 3: Cross multiply
2,034,938.31x = 2,808,247.80 × 1,117,252.05 - Step 4: Simplify right side
2,034,938.31x = 3,137,520,611,457.99 - Step 5: Solve for x
x = 3,137,520,611,457.99/2,034,938.31 - Step 6: Final answer
x = 1,541,825.91
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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.