Finding the Fourth Proportional to 2,861,239.60, 4,291,193.58 and 1,064,969.20
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Solution
The fourth proportional to 2,861,239.60, 4,291,193.58 and 1,064,969.20 is: 1,597,205.98
Step by Step Solution
- Step 1: Write the proportion equation
2,861,239.60 : 4,291,193.58 = 1,064,969.20 : x - Step 2: Convert to fraction form
2,861,239.60/4,291,193.58 = 1,064,969.20/x - Step 3: Cross multiply
2,861,239.60x = 4,291,193.58 × 1,064,969.20 - Step 4: Simplify right side
2,861,239.60x = 4,569,988,993,937.74 - Step 5: Solve for x
x = 4,569,988,993,937.74/2,861,239.60 - Step 6: Final answer
x = 1,597,205.98
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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.