Finding the Fourth Proportional to 1,651,135.32, 2,276,457.39 and 1,069,330.41
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Solution
The fourth proportional to 1,651,135.32, 2,276,457.39 and 1,069,330.41 is: 1,474,309.88
Step by Step Solution
- Step 1: Write the proportion equation
1,651,135.32 : 2,276,457.39 = 1,069,330.41 : x - Step 2: Convert to fraction form
1,651,135.32/2,276,457.39 = 1,069,330.41/x - Step 3: Cross multiply
1,651,135.32x = 2,276,457.39 × 1,069,330.41 - Step 4: Simplify right side
1,651,135.32x = 2,434,285,114,196.23 - Step 5: Solve for x
x = 2,434,285,114,196.23/1,651,135.32 - Step 6: Final answer
x = 1,474,309.88
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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.