Finding the Fourth Proportional to 2,966,779.49, 4,094,236.19 and 1,677,812.63
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Solution
The fourth proportional to 2,966,779.49, 4,094,236.19 and 1,677,812.63 is: 2,315,426.95
Step by Step Solution
- Step 1: Write the proportion equation
2,966,779.49 : 4,094,236.19 = 1,677,812.63 : x - Step 2: Convert to fraction form
2,966,779.49/4,094,236.19 = 1,677,812.63/x - Step 3: Cross multiply
2,966,779.49x = 4,094,236.19 × 1,677,812.63 - Step 4: Simplify right side
2,966,779.49x = 6,869,361,173,508.43 - Step 5: Solve for x
x = 6,869,361,173,508.43/2,966,779.49 - Step 6: Final answer
x = 2,315,426.95
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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.