Finding the Fourth Proportional to 2,168,995.44, 3,250,296.14 and 1,208,128.28
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Solution
The fourth proportional to 2,168,995.44, 3,250,296.14 and 1,208,128.28 is: 1,810,411.68
Step by Step Solution
- Step 1: Write the proportion equation
2,168,995.44 : 3,250,296.14 = 1,208,128.28 : x - Step 2: Convert to fraction form
2,168,995.44/3,250,296.14 = 1,208,128.28/x - Step 3: Cross multiply
2,168,995.44x = 3,250,296.14 × 1,208,128.28 - Step 4: Simplify right side
2,168,995.44x = 3,926,774,685,108.84 - Step 5: Solve for x
x = 3,926,774,685,108.84/2,168,995.44 - Step 6: Final answer
x = 1,810,411.68
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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.