Finding the Fourth Proportional to 1,577,165.40, 2,366,093.70 and 512,026.20
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Solution
The fourth proportional to 1,577,165.40, 2,366,093.70 and 512,026.20 is: 768,151.50
Step by Step Solution
- Step 1: Write the proportion equation
1,577,165.40 : 2,366,093.70 = 512,026.20 : x - Step 2: Convert to fraction form
1,577,165.40/2,366,093.70 = 512,026.20/x - Step 3: Cross multiply
1,577,165.40x = 2,366,093.70 × 512,026.20 - Step 4: Simplify right side
1,577,165.40x = 1,211,501,966,054.94 - Step 5: Solve for x
x = 1,211,501,966,054.94/1,577,165.40 - Step 6: Final answer
x = 768,151.50
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1.5x scale
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.