Finding the Fourth Proportional to 2,420,451.16, 3,340,194.42 and 1,332,699.64
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Solution
The fourth proportional to 2,420,451.16, 3,340,194.42 and 1,332,699.64 is: 1,839,109.99
Step by Step Solution
- Step 1: Write the proportion equation
2,420,451.16 : 3,340,194.42 = 1,332,699.64 : x - Step 2: Convert to fraction form
2,420,451.16/3,340,194.42 = 1,332,699.64/x - Step 3: Cross multiply
2,420,451.16x = 3,340,194.42 × 1,332,699.64 - Step 4: Simplify right side
2,420,451.16x = 4,451,475,901,064.01 - Step 5: Solve for x
x = 4,451,475,901,064.01/2,420,451.16 - Step 6: Final answer
x = 1,839,109.99
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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.