Finding the Fourth Proportional to 2,162,268.68, 2,983,668.62 and 1,195,264.76
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Solution
The fourth proportional to 2,162,268.68, 2,983,668.62 and 1,195,264.76 is: 1,649,320.45
Step by Step Solution
- Step 1: Write the proportion equation
2,162,268.68 : 2,983,668.62 = 1,195,264.76 : x - Step 2: Convert to fraction form
2,162,268.68/2,983,668.62 = 1,195,264.76/x - Step 3: Cross multiply
2,162,268.68x = 2,983,668.62 × 1,195,264.76 - Step 4: Simplify right side
2,162,268.68x = 3,566,273,936,109.16 - Step 5: Solve for x
x = 3,566,273,936,109.16/2,162,268.68 - Step 6: Final answer
x = 1,649,320.45
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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.