Finding the Fourth Proportional to 1,567,588.15, 2,163,440.82 and 888,451.75
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Solution
The fourth proportional to 1,567,588.15, 2,163,440.82 and 888,451.75 is: 1,226,159.30
Step by Step Solution
- Step 1: Write the proportion equation
1,567,588.15 : 2,163,440.82 = 888,451.75 : x - Step 2: Convert to fraction form
1,567,588.15/2,163,440.82 = 888,451.75/x - Step 3: Cross multiply
1,567,588.15x = 2,163,440.82 × 888,451.75 - Step 4: Simplify right side
1,567,588.15x = 1,922,112,782,550.43 - Step 5: Solve for x
x = 1,922,112,782,550.43/1,567,588.15 - Step 6: Final answer
x = 1,226,159.30
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1.5x scale
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.